Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'betty', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
betty
Transposition0
ebtty
btety
betyt
Transposition1
tebty
bttey
beytt
Transposition2
tetby
bytte
Transposition2r
tteby
bytte
Transposition0x2
ebtty
ebtyt
bteyt
Slip3A
etbty
bttey
betyt
Slip3B
tbety
btety
beytt
Omission
etty
btty
bety
bett
Repetition
bbetty
beetty
bettty
bettyy
QWERTY Substitution
vetty
netty
bwtty
brtty
berty
beyty
betry
betyy
bettt
bettu
QWERTY Repetition after
bvetty
bnetty
bewtty
bertty
betrty
betyty
bettry
bettyy
bettyt
bettyu
QWERTY Repetition before
vbetty
nbetty
bwetty
bretty
bertty
beytty
betrty
betyty
bettty
bettuy
QWERTY Substitution Transposed
evtty
vtety
vetyt
entty
ntety
netyt
wbtty
btwty
bwtyt
rbtty
btrty
brtyt
ebrty
brety
betry
beryt
ebyty
byety
betyy
beyyt
ebtry
btery
berty
betyr
ebtyy
bteyy
beyty
ebttt
btett
ebttu
btetu
betut
WrongDoubles
beety
betyy
$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