Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'mp3', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
mp3
Transposition0
pm3
m3p
Transposition1
3pm
Transposition2
Transposition2r
Transposition0x2
Slip3A
p3m
Slip3B
3mp
Omission
p3
m3
mp
Repetition
mmp3
mpp3
mp33
QWERTY Substitution
np3
mo3
QWERTY Repetition after
mnp3
mpo3
QWERTY Repetition before
nmp3
mop3
QWERTY Substitution Transposed
pn3
n3p
om3
m3o
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
$sortKeys
$stringify
$stringifySafe
$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