Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'sumdex', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
sumdex
Transposition0
usmdex
smudex
sudmex
sumedx
sumdxe
Transposition1
musdex
sdmuex
suedmx
sumxed
Transposition2
dumsex
semdux
suxdem
Transposition2r
dmusex
sedmux
suxedm
Transposition0x2
usdmex
usmedx
usmdxe
smuedx
smudxe
sudmxe
Slip3A
umsdex
smduex
sudemx
sumexd
Slip3B
msudex
sdumex
suemdx
sumxde
Omission
umdex
smdex
sudex
sumex
sumdx
sumde
Repetition
ssumdex
suumdex
summdex
sumddex
sumdeex
sumdexx
QWERTY Substitution
aumdex
dumdex
symdex
simdex
sundex
sumsex
sumfex
sumdwx
sumdrx
sumdez
sumdec
QWERTY Repetition after
saumdex
sdumdex
suymdex
suimdex
sumndex
sumdsex
sumdfex
sumdewx
sumderx
sumdexz
sumdexc
QWERTY Repetition before
asumdex
dsumdex
syumdex
siumdex
sunmdex
sumsdex
sumfdex
sumdwex
sumdrex
sumdezx
sumdecx
QWERTY Substitution Transposed
uamdex
amudex
audmex
aumedx
aumdxe
udmdex
dmudex
dudmex
dumedx
dumdxe
ysmdex
smydex
sydmex
symedx
symdxe
ismdex
smidex
sidmex
simedx
simdxe
usndex
snudex
sudnex
sunedx
sundxe
usmsex
smusex
susmex
sumesx
sumsxe
usmfex
smufex
sufmex
sumefx
sumfxe
usmdwx
smudwx
sudmwx
sumwdx
sumdxw
usmdrx
smudrx
sudmrx
sumrdx
sumdxr
usmdez
smudez
sudmez
sumedz
sumdze
usmdec
smudec
sudmec
sumedc
sumdce
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
$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