Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'willis', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
willis
Transposition0
iwllis
wlilis
wilils
willsi
Transposition1
liwlis
wlliis
wiills
wilsil
Transposition2
lilwis
wislil
Transposition2r
lliwis
wisill
Transposition0x2
iwllis
iwlils
iwllsi
wliils
wlilsi
willsi
Slip3A
ilwlis
wlliis
wilils
wilisl
Slip3B
lwilis
wlilis
wiills
wilsli
Omission
illis
wllis
wilis
wills
willi
Repetition
wwillis
wiillis
willlis
williis
williss
QWERTY Substitution
qillis
eillis
wullis
wollis
wiklis
wilkis
willus
willos
willia
willid
QWERTY Repetition after
wqillis
weillis
wiullis
wiollis
wilklis
willkis
willius
willios
willisa
willisd
QWERTY Repetition before
qwillis
ewillis
wuillis
woillis
wikllis
wilklis
willuis
willois
willias
willids
QWERTY Substitution Transposed
iqllis
qlilis
qilils
qillsi
iellis
elilis
eilils
eillsi
uwllis
wlulis
wulils
wullsi
owllis
wlolis
wolils
wollsi
iwklis
wkilis
wilkis
wikils
wiklsi
iwlkis
wlikis
wiklis
wiliks
wilksi
iwllus
wlilus
wiluls
willsu
iwllos
wlilos
wilols
willso
iwllia
wlilia
wilila
willai
iwllid
wlilid
wilild
willdi
WrongDoubles
wiilis
wiliis
$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