Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'passfab', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
passfab
Transposition0
apssfab
psasfab
pasfsab
passafb
passfba
Transposition1
sapsfab
pssafab
pafssab
pasafsb
passbaf
Transposition2
saspfab
pfssaab
paasfsb
pasbfas
Transposition2r
ssapfab
pfssaab
paafssb
pasbafs
Transposition0x2
apssfab
apsfsab
apssafb
apssfba
psafsab
psasafb
psasfba
passafb
passfba
pasfsba
Slip3A
aspsfab
pssafab
pasfsab
pasfasb
passabf
Slip3B
spasfab
psasfab
pafssab
pasasfb
passbfa
Omission
assfab
pssfab
pasfab
passab
passfb
passfa
Repetition
ppassfab
paassfab
passsfab
passffab
passfaab
passfabb
QWERTY Substitution
oassfab
psssfab
paasfab
padsfab
pasafab
pasdfab
passdab
passgab
passfsb
passfav
passfan
QWERTY Repetition after
poassfab
passsfab
pasasfab
pasdsfab
passafab
passdfab
passfdab
passfgab
passfasb
passfabv
passfabn
QWERTY Repetition before
opassfab
psassfab
paassfab
padssfab
pasasfab
pasdsfab
passdfab
passgfab
passfsab
passfavb
passfanb
QWERTY Substitution Transposed
aossfab
osasfab
oasfsab
oassafb
oassfba
spssfab
pssfsab
psssafb
psssfba
apasfab
pasafab
paafsab
paasafb
paasfba
apdsfab
pdasfab
pasdfab
padfsab
padsafb
padsfba
apsafab
psaafab
paasfab
pasfaab
pasaafb
pasafba
apsdfab
psadfab
padsfab
pasfdab
pasdafb
pasdfba
apssdab
psasdab
pasdsab
passadb
passdba
apssgab
psasgab
pasgsab
passagb
passgba
apssfsb
psasfsb
pasfssb
passsfb
passfbs
apssfav
psasfav
pasfsav
passafv
passfva
apssfan
psasfan
pasfsan
passafn
passfna
WrongDoubles
paasfab
pasffab
$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