Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'sleep', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
sleep
Transposition0
lseep
selep
slepe
Transposition1
elsep
seelp
slpee
Transposition2
elesp
speel
Transposition2r
eelsp
speel
Transposition0x2
lseep
lsepe
selpe
Slip3A
lesep
seelp
slepe
Slip3B
eslep
selep
slpee
Omission
leep
seep
slep
slee
Repetition
ssleep
slleep
sleeep
sleepp
QWERTY Substitution
aleep
dleep
skeep
slwep
slrep
slewp
slerp
sleeo
QWERTY Repetition after
saleep
sdleep
slkeep
slewep
slerep
sleewp
sleerp
sleepo
QWERTY Repetition before
asleep
dsleep
skleep
slweep
slreep
slewep
slerep
sleeop
QWERTY Substitution Transposed
laeep
aelep
alepe
ldeep
delep
dlepe
kseep
sekep
skepe
lswep
swlep
slewp
slwpe
lsrep
srlep
slerp
slrpe
lsewp
selwp
slwep
slepw
lserp
selrp
slrep
slepr
lseeo
seleo
sleoe
WrongDoubles
sllep
slepp
$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
$stringify
$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