Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'mason', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
mason
Transposition0
amson
msaon
maosn
masno
Transposition1
samon
mosan
manos
Transposition2
oasmn
mnsoa
Transposition2r
osamn
mnosa
Transposition0x2
amosn
amsno
msano
Slip3A
asmon
msoan
maons
Slip3B
smaon
moasn
manso
Omission
ason
mson
maon
masn
maso
Repetition
mmason
maason
masson
masoon
masonn
QWERTY Substitution
nason
msson
maaon
madon
masin
maspn
masob
masom
QWERTY Repetition after
mnason
masson
masaon
masdon
masoin
masopn
masonb
masonm
QWERTY Repetition before
nmason
msason
maason
madson
masion
maspon
masobn
masomn
QWERTY Substitution Transposed
anson
nsaon
naosn
nasno
smson
msosn
mssno
amaon
maoan
maano
amdon
mdaon
maodn
madno
amsin
msain
maisn
masni
amspn
msapn
mapsn
masnp
amsob
msaob
maosb
masbo
amsom
msaom
maosm
masmo
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
$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