Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'speco', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
speco
Transposition0
pseco
sepco
spceo
speoc
Transposition1
epsco
scepo
spoce
Transposition2
cpeso
soecp
Transposition2r
cepso
socep
Transposition0x2
psceo
pseoc
sepoc
Slip3A
pesco
secpo
spcoe
Slip3B
espco
scpeo
spoec
Omission
peco
seco
spco
speo
spec
Repetition
sspeco
sppeco
speeco
specco
specoo
QWERTY Substitution
apeco
dpeco
soeco
spwco
sprco
spexo
spevo
speci
specp
QWERTY Repetition after
sapeco
sdpeco
spoeco
spewco
sperco
specxo
specvo
specoi
specop
QWERTY Repetition before
aspeco
dspeco
sopeco
spweco
spreco
spexco
spevco
specio
specpo
QWERTY Substitution Transposed
paeco
aepco
apceo
apeoc
pdeco
depco
dpceo
dpeoc
oseco
seoco
soceo
soeoc
pswco
swpco
spcwo
spwoc
psrco
srpco
spcro
sproc
psexo
sepxo
spxeo
speox
psevo
sepvo
spveo
speov
pseci
sepci
spcei
speic
psecp
sepcp
spcep
spepc
WrongDoubles
$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
$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