Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'apac', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
apac
Transposition0
paac
aapc
apca
Transposition1
acap
Transposition2
cpaa
Transposition2r
capa
Transposition0x2
paca
Slip3A
paac
aacp
Slip3B
aapc
acpa
Omission
pac
aac
apc
apa
Repetition
aapac
appac
apaac
apacc
QWERTY Substitution
spac
aoac
apsc
apax
apav
QWERTY Repetition after
aspac
apoac
apasc
apacx
apacv
QWERTY Repetition before
sapac
aopac
apsac
apaxc
apavc
QWERTY Substitution Transposed
psac
sapc
spca
oaac
aaoc
aoca
pasc
aspc
apcs
paax
aapx
apxa
paav
aapv
apva
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
$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