Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'smug mug', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
smug mug
Transposition0
msug mug
sumg mug
smgu mug
smu gmug
smugm ug
smug umg
smug mgu
Transposition1
umsg mug
sgum mug
sm gumug
smum gug
smugum g
smug gum
Transposition2
gmus mug
s ugmmug
smmg uug
smuu mgg
smuggmu
Transposition2r
gums mug
s gummug
smm guug
smuum gg
smuggum
Transposition0x2
msgumug
msu gmug
msugm ug
msug umg
msug mgu
sum gmug
sumgm ug
sumg umg
sumg mgu
smgum ug
smgu umg
smgu mgu
smu gumg
smu gmgu
smugm gu
Slip3A
musg mug
sugm mug
smg umug
smu mgug
smugmu g
smug ugm
Slip3B
usmg mug
sgmu mug
sm ugmug
smumg ug
smugu mg
smug gmu
Omission
mug mug
sug mug
smg mug
smu mug
smugmug
smug ug
smug mg
smug mu
Repetition
ssmug mug
smmug mug
smuug mug
smugg mug
smug mug
smug mmug
smug muug
smug mugg
QWERTY Substitution
amug mug
dmug mug
snug mug
smyg mug
smig mug
smuf mug
smuh mug
smug nug
smug myg
smug mig
smug muf
smug muh
QWERTY Repetition after
samug mug
sdmug mug
smnug mug
smuyg mug
smuig mug
smugf mug
smugh mug
smug mnug
smug muyg
smug muig
smug mugf
smug mugh
QWERTY Repetition before
asmug mug
dsmug mug
snmug mug
smyug mug
smiug mug
smufg mug
smuhg mug
smug nmug
smug myug
smug miug
smug mufg
smug muhg
QWERTY Substitution Transposed
maug mug
aumg mug
amgu mug
amu gmug
amugm ug
amug umg
amug mgu
mdug mug
dumg mug
dmgu mug
dmu gmug
dmugm ug
dmug umg
dmug mgu
nsug mug
sung mug
sngu mug
snu gmug
snugm ug
snug umg
snug mgu
msyg mug
symg mug
smgy mug
smy gmug
smygm ug
smyg umg
smyg mgu
msig mug
simg mug
smgi mug
smi gmug
smigm ug
smig umg
smig mgu
msuf mug
sumf mug
smfu mug
smu fmug
smufm ug
smuf umg
smuf mgu
msuh mug
sumh mug
smhu mug
smu hmug
smuhm ug
smuh umg
smuh mgu
msug nug
sumg nug
smgu nug
smu gnug
smugn ug
smug ung
smug ngu
msug myg
sumg myg
smgu myg
smu gmyg
smugm yg
smug ymg
smug mgy
msug mig
sumg mig
smgu mig
smu gmig
smugm ig
smug img
smug mgi
msug muf
sumg muf
smgu muf
smu gmuf
smugm uf
smug umf
smug mfu
msug muh
sumg muh
smgu muh
smu gmuh
smugm uh
smug umh
smug mhu
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