diff --git a/txt/by-letter/k.txt b/txt/by-letter/k.txt
new file mode 100644
index 0000000..30def94
--- /dev/null
+++ b/txt/by-letter/k.txt
@@ -0,0 +1,1077 @@
+kabaragoya
+kabeljou
+kabuki
+kacha
+kaddish
+kadi
+kadis
+kaffir
+kafir
+kafirs
+kafkaesque
+kagu
+kahuna
+kaiak
+kaiaks
+kaiser
+kaisers
+kaka
+kakapo
+kakariki
+kaki
+kalanchoe
+kale
+kaleidoscope
+kaleidoscopes
+kaleidoscopic
+kales
+kaleyard
+kalif
+kalifs
+kaliph
+kaliphs
+kalian
+kalians
+kalimba
+kaliphate
+kalium
+kalmia
+kalong
+kalpak
+kalpaks
+kalumpit
+kamacite
+kamahi
+kamik
+kamikaze
+kamikazes
+kamiks
+kamseen
+kamseens
+kana
+kanas
+kanban
+kangaroo
+kangaroos
+kangarooing
+kanji
+kans
+kantar
+kantars
+kanzu
+kaolin
+kaolinite
+kaolinization
+kaolinize
+kaolinized
+kaolinizes
+kaolinizing
+kaolins
+kapai
+kapas
+kapellmeister
+kapellmeisters
+kaph
+kaphs
+kapok
+kapoks
+kappa
+kappas
+kapu
+kapus
+karabiner
+karabiners
+karakul
+karakuls
+karamu
+karate
+karates
+karma
+karmas
+karmic
+kaross
+karosses
+karroo
+karst
+karsts
+kart
+karting
+karts
+karyokinesis
+karyokinetic
+karyological
+karyologies
+karyology
+karyolymph
+karyolysis
+karyoplasm
+karyotype
+karyotypic
+karyotypically
+kasha
+kashas
+kashi
+kashmir
+kashmiri
+kashmiris
+kasseri
+kastura
+kata
+katakana
+katakanas
+katana
+katanas
+katcinas
+kathak
+kathaks
+katharsis
+kathisma
+kathode
+kathodes
+kathodic
+katholikon
+kation
+kations
+katzenjammer
+kauri
+kauris
+kava
+kavas
+kavass
+kavasses
+kavya
+kayak
+kayaked
+kayaker
+kayakers
+kayaking
+kayaks
+kayles
+kayo
+kayoed
+kayoing
+kayos
+kazachok
+kazachoks
+kazak
+kazakh
+kazakhs
+kazaks
+kazoo
+kazoos
+kcal
+keas
+kebab
+kebabs
+keblah
+keblahs
+kebob
+kebobs
+keck
+kecked
+kecking
+kecks
+kedge
+kedged
+kedges
+kedging
+keech
+keckle
+keckled
+keckling
+keckly
+kecksie
+kedgeree
+kedgerees
+keek
+keeked
+keeking
+keeks
+keel
+keeled
+keeler
+keelers
+keeling
+keelhaul
+keelhauled
+keelhauling
+keelhauls
+keels
+keelson
+keelsons
+keen
+keened
+keener
+keenest
+keening
+keenly
+keenness
+keens
+keep
+keepable
+keeper
+keepers
+keeping
+keeps
+keepsake
+keepsakes
+keeshond
+keeshonden
+keeshonds
+keet
+keets
+kef
+kefs
+keffiyeh
+keffiyehs
+kefir
+kefirs
+kegel
+kegler
+keglers
+kegling
+kegs
+keir
+keirs
+keister
+keisters
+keld
+kells
+kelp
+kelped
+kelpies
+kelping
+kelps
+kelpy
+kelson
+kelsons
+kelter
+kelters
+keltic
+kelts
+kelvin
+kelvins
+kembo
+kemp
+kemper
+kemps
+kempstone
+kempt
+ken
+kenaf
+kenafs
+kench
+kenched
+kenches
+kenching
+kendo
+kendos
+kennel
+kenneled
+kenneling
+kennelled
+kennelling
+kennels
+kenning
+kennings
+keno
+kenogenesis
+kenogenetic
+kenos
+kenosis
+kenotic
+kente
+kentes
+kentledge
+kentledges
+kentucky
+kenyan
+kenyans
+kephalin
+kephalins
+keramic
+keramics
+keratin
+keratinization
+keratinize
+keratinized
+keratinizes
+keratinizing
+keratinocyte
+keratinocytes
+keratins
+keratoplasty
+keratoses
+keratosis
+keratotomy
+kerb
+kerchief
+kerchiefed
+kerf
+kerfs
+kermes
+kermis
+kern
+kernel
+kernelled
+kerneling
+kernels
+kerne
+kernes
+kerning
+kerns
+kerosene
+kerosenes
+kerosine
+kerry
+kersey
+kerygma
+kestrel
+kestrels
+ketamine
+ketch
+ketches
+ketchup
+ketchuped
+ketchups
+keter
+ketone
+ketones
+ketonic
+ketonuria
+kettle
+kettledrum
+kettledrums
+kettles
+kettling
+kettlings
+kevel
+kevels
+kex
+kexes
+key
+keyboard
+keyboarded
+keyboarder
+keyboarders
+keyboardist
+keyboardists
+keyboarding
+keyboards
+keycard
+keycards
+keyed
+keyer
+keyers
+keyhole
+keyholes
+keying
+keyless
+keynote
+keynoted
+keynoter
+keynoters
+keynotes
+keynoting
+keypad
+keypads
+keypal
+keypals
+keyring
+keyrings
+keys
+keystone
+keystones
+keystroke
+keystrokes
+keyword
+keywords
+khaddar
+khadi
+khadis
+khaki
+khakis
+khan
+khans
+khat
+khats
+kheda
+khedas
+kheer
+khilafat
+khilafats
+khimar
+khimars
+khoikhoi
+khoikhois
+khoum
+khoums
+khrushchev
+khuzi
+khz
+kiaat
+kiang
+kiangs
+kianti
+kibbutz
+kibbutzim
+kibbutznik
+kibbutzniks
+kibble
+kibbled
+kibbles
+kibbling
+kibe
+kibes
+kibitz
+kibitzed
+kibitzer
+kibitzers
+kibitzes
+kibitzing
+kibosh
+kiboshed
+kiboshes
+kiboshing
+kick
+kickabout
+kickabouts
+kickback
+kickbacks
+kickball
+kickballs
+kicked
+kicker
+kickers
+kicking
+kicks
+kickshaw
+kickshaws
+kickstand
+kickstands
+kickstart
+kickstarted
+kickstarter
+kickstarting
+kickstarts
+kickturn
+kickturns
+kid
+kidder
+kidders
+kiddie
+kiddies
+kidding
+kiddish
+kiddo
+kiddos
+kiddush
+kiddushes
+kidnap
+kidnapped
+kidnapper
+kidnappers
+kidnapping
+kidnappings
+kidnaps
+kidney
+kidneys
+kidult
+kidults
+kielbasa
+kielbasas
+kier
+kiers
+kieselguhr
+kiev
+kif
+kifs
+kiho
+kihos
+kikoi
+kikois
+kilim
+kilims
+kill
+killable
+killed
+killer
+killers
+killing
+killings
+killjoy
+killjoys
+kills
+kiln
+kilned
+kilning
+kilns
+kilo
+kilobase
+kilobases
+kilobyte
+kilobytes
+kilocurie
+kilocuries
+kilogram
+kilogramme
+kilogrammes
+kilograms
+kilohertz
+kilohertzes
+kilojoule
+kilojoules
+kiloliter
+kiloliters
+kilolitre
+kilolitres
+kilometer
+kilometers
+kilometre
+kilometres
+kiloton
+kilotons
+kilovolt
+kilovolts
+kilowatt
+kilowatts
+kilt
+kilted
+kilting
+kilts
+kimchi
+kimchis
+kimono
+kimonos
+kin
+kina
+kinase
+kinases
+kind
+kinda
+kindergarten
+kindergartens
+kinderhook
+kindest
+kindhearted
+kindle
+kindled
+kindler
+kindlers
+kindles
+kindling
+kindly
+kindness
+kindnesses
+kinds
+kine
+kinematic
+kinematically
+kinematics
+kinesthesia
+kinesthesias
+kinesthetic
+kinesthetically
+kinfolk
+kinfolks
+king
+kingbird
+kingbirds
+kingcraft
+kingcup
+kingcups
+kingdom
+kingdoms
+kingfisher
+kingfishers
+kinghood
+kinglet
+kinglets
+kinglier
+kingliest
+kinglike
+kingliness
+kingly
+kingmaker
+kingmakers
+kingpin
+kingpins
+kings
+kingship
+kingships
+kingwood
+kingwoods
+kink
+kinked
+kinkier
+kinkiest
+kinkily
+kinkiness
+kinks
+kinky
+kinless
+kinocilium
+kinociliums
+kinship
+kinships
+kinsfolk
+kinsfolks
+kinship
+kinsman
+kinsmen
+kinswoman
+kinswomen
+kiosk
+kiosks
+kip
+kipped
+kipper
+kippers
+kipping
+kips
+kirigami
+kirigamis
+kirk
+kirks
+kirmess
+kirmesses
+kirn
+kirns
+kirsch
+kirschwasser
+kirschwassers
+kirtle
+kirtles
+kirtling
+kiruv
+kirve
+kirver
+kisan
+kisang
+kish
+kishka
+kishke
+kismet
+kiss
+kissable
+kissage
+kissaway
+kisser
+kissing
+kissinggate
+kissogram
+kist
+kistful
+kit
+kitbag
+kitbashing
+kitchen
+kitchenalia
+kitchenette
+kitchendom
+kitchenette
+kitchenware
+kite
+kiteboard
+kiteboarding
+kiteflier
+kiteflying
+kitelike
+kitemark
+kitenge
+kith
+kithe
+kiting
+kitling
+kitman
+kitmonger
+kitnapping
+kits
+kitschy
+kitsune
+kitt
+kitten
+kittenish
+kittenlike
+kitter
+kittie
+kittiwake
+kittle
+kittling
+kitty
+kittycorner
+kitul
+kiut
+kiva
+kivas
+kive
+kiwi
+kizilbash
+klatch
+klatsch
+klaxon
+kleagle
+kleeneb
+klepht
+kleptomaniac
+kleptomania
+kleptoplasty
+klick
+klieg
+klieglight
+klim
+klipfish
+klipspringer
+klister
+klondike
+klong
+kludge
+kludgy
+klutz
+klutzy
+knab
+knack
+knacker
+knackered
+knackery
+knacks
+knag
+knaggy
+knap
+knappe
+knapper
+knapping
+knapsack
+knapweed
+knar
+knarl
+knarled
+knarling
+knarry
+knars
+knave
+knavery
+knavish
+knawel
+knead
+kneader
+kneading
+knee
+kneecap
+kneecloth
+kneed
+kneecrooking
+kneehole
+kneejoint
+kneel
+kneeler
+kneeling
+kneepan
+kneeplate
+kneepiece
+kneepit
+kneepoint
+kneereplace
+knees
+kneesock
+kneespring
+kneeswivel
+kneetree
+kneeweed
+knell
+knelled
+knelling
+knelt
+knew
+knick
+knicker
+knickerbockers
+knickers
+knickknack
+knickpoint
+knife
+knifeblade
+knifeboard
+knifefish
+knifelike
+knifeman
+knifepoint
+knifer
+knifes
+knifing
+knight
+knightage
+knighted
+knighthood
+knighting
+knightly
+knights
+knish
+knit
+knitch
+knitbone
+knitted
+knitter
+knittery
+knitting
+knittle
+knitwear
+knives
+knob
+knobbed
+knobber
+knobble
+knobbly
+knobby
+knobs
+knobstick
+knock
+knockabout
+knockback
+knockdown
+knockemstiff
+knocker
+knockerup
+knocking
+knockingshop
+knockkneed
+knockoff
+knockon
+knockout
+knocks
+knockwurst
+knoll
+knolled
+knoller
+knolling
+knop
+knoppern
+knopweed
+knor
+knosp
+knot
+knotgrass
+knothead
+knotless
+knotlike
+knotproof
+knotroot
+knotter
+knottier
+knottiest
+knottiness
+knotting
+knotty
+knout
+know
+knowable
+knowed
+knower
+knowing
+knowingly
+knowingness
+knowledge
+knowledgeless
+knowledgeable
+knowledgeableness
+knowledgeably
+known
+knows
+knox
+knub
+knuckle
+knuckleball
+knucklebone
+knucklehead
+knuckleless
+knuckler
+knuckles
+knuckling
+knurl
+knurled
+knurling
+knurry
+knur
+knurled
+koala
+koan
+koans
+koap
+kob
+koba
+kobo
+kobold
+kobza
+koda
+kodachrome
+kodak
+kodaking
+kodansha
+kode
+kodkod
+koff
+kogal
+kohl
+kohleria
+kohlrabi
+koine
+koji
+kokam
+koki
+kokil
+koklass
+kokle
+kokobeh
+kokowai
+kolacky
+kolanut
+kolas
+kolbasi
+kolhozy
+koli
+kolinsky
+koloa
+kolsch
+kols
+koma
+komatiite
+kombu
+kombucha
+komondor
+komondorok
+kompass
+komsomol
+komut
+konbu
+kondo
+kone
+konfyt
+kong
+kongo
+konk
+konked
+konking
+konkylite
+konkylometer
+konrad
+koodoo
+kook
+kookaburra
+kookie
+kookiness
+kooks
+kooky
+koori
+kopek
+kopecks
+kopje
+koppie
+kops
+kopt
+koran
+koranic
+korean
+koreros
+korfball
+korma
+koromiko
+koror
+korsakoff
+korsh
+koruna
+korunas
+kos
+kosher
+koshers
+kosi
+kosmos
+koss
+kota
+koto
+kotos
+koumiss
+kouprey
+kousso
+kousse
+kousso
+kout
+kraal
+kraals
+krab
+kraft
+krafts
+kraken
+kraal
+krait
+kraj
+kraken
+kral
+kran
+krank
+krans
+krantz
+krater
+kraters
+kraurosis
+kraut
+krauthead
+krauts
+krautweed
+kremlin
+kremlins
+kren
+kres
+krew
+kreyol
+krill
+krimmer
+kringle
+kris
+krises
+krishna
+kriss
+krist
+kristi
+kristol
+krypton
+kryptons
+kryptonite
+krypton
+kryptonic
+krytron
+kshatriya
+kubrickian
+kudos
+kudu
+kufic
+kugel
+kuhnian
+kuku
+kulak
+kula
+kumquat
+kuna
+kundalini
+kung
+kurgan
+kurta
+kurtosis
+kurus
+kusso
+kutch
+kutchin
+kutchitic
+kutchman
+kuvasz
+kvass
+kvetch
+kyanite
+kyat
+kyle
+kyphosis
+kyrielle
+kyrie
+kyrgyz
+kyselka
+kyu
+kyushu