Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'numb', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
numb
Transposition0
unmb
nmub
nubm
Transposition1
munb
nbmu
Transposition2
bumn
Transposition2r
bmun
Transposition0x2
unbm
Slip3A
umnb
nmbu
Slip3B
mnub
nbum
Omission
umb
nmb
nub
num
Repetition
nnumb
nuumb
nummb
numbb
QWERTY Substitution
bumb
mumb
nymb
nimb
nunb
numv
numn
QWERTY Repetition after
nbumb
nmumb
nuymb
nuimb
numnb
numbv
numbn
QWERTY Repetition before
bnumb
mnumb
nyumb
niumb
nunmb
numvb
numnb
QWERTY Substitution Transposed
ubmb
bmub
bubm
ummb
mmub
mubm
ynmb
nmyb
nybm
inmb
nmib
nibm
unnb
nnub
nubn
unmv
nmuv
nuvm
unmn
nmun
nunm
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