Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'yac', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
yac
Transposition0
ayc
yca
Transposition1
cay
Transposition2
Transposition2r
Transposition0x2
Slip3A
acy
Slip3B
cya
Omission
ac
yc
ya
Repetition
yyac
yaac
yacc
QWERTY Substitution
tac
uac
ysc
yax
yav
QWERTY Repetition after
ytac
yuac
yasc
yacx
yacv
QWERTY Repetition before
tyac
uyac
ysac
yaxc
yavc
QWERTY Substitution Transposed
atc
tca
auc
uca
syc
ycs
ayx
yxa
ayv
yva
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
$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