Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'keen', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
keen
Transposition0
eken
kene
Transposition1
eekn
knee
Transposition2
neek
Transposition2r
neek
Transposition0x2
ekne
Slip3A
eekn
kene
Slip3B
eken
knee
Omission
een
ken
kee
Repetition
kkeen
keeen
keenn
QWERTY Substitution
jeen
leen
kwen
kren
kewn
kern
keeb
keem
QWERTY Repetition after
kjeen
kleen
kewen
keren
keewn
keern
keenb
keenm
QWERTY Repetition before
jkeen
lkeen
kween
kreen
kewen
keren
keebn
keemn
QWERTY Substitution Transposed
ejen
jene
elen
lene
wken
kewn
kwne
rken
kern
krne
ekwn
kwen
kenw
ekrn
kren
kenr
ekeb
kebe
ekem
keme
WrongDoubles
kken
kenn
$JSON
$address
$applyDefault
$clone
$commas
$copy
$copyFields
$delete
$entries
$expand
$filt
$getType
$isArray
$isBoolean
$isClass
$isDate
$isElement
$isFunction
$isNumber
$isObject
$isString
$isType
$isValidDate
$json2txt
$keys
$load
$matchall
$parseFloats
$pick
$postJSON
$prune
$save
$set
$sortBy
$sortKeys
$stringify
$stringifySafe
$sum
$svgPoster1
$table
$textify
$toFixed
$type
$without
Glossary
Transposition = adjacent pairs of letters are swapped
Omission = individual letters are missed out
Repetition = individual letters are entered twice consecutively
QWERTY substitution = letters are replaced by each of their QWERTY-keyboard based physical neighbours (e.g. 'h' gets replaced with y, u, j, n, b, g)
QWERTY repetition type 1 = letters are followed by each of their QWERTY-keyboard neighbours
QWERTY repetition type 2 = letters are preceded by each of their QWERTY-keyboard neighbours