Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'play pen', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
play pen
Transposition0
lpay pen
paly pen
plya pen
pla ypen
playp en
play epn
play pne
Transposition1
alpy pen
pyal pen
pl yapen
plap yen
playep n
play nep
Transposition2
ylap pen
p aylpen
plpy aen
plae pyn
playnpe
Transposition2r
yalp pen
p yalpen
plp yaen
plaep yn
playnep
Transposition0x2
lpyapen
lpa ypen
lpayp en
lpay epn
lpay pne
pal ypen
palyp en
paly epn
paly pne
plyap en
plya epn
plya pne
pla yepn
pla ypne
playp ne
Slip3A
lapy pen
payl pen
ply apen
pla pyen
plaype n
play enp
Slip3B
aply pen
pyla pen
pl aypen
plapy en
playe pn
play npe
Omission
lay pen
pay pen
ply pen
pla pen
playpen
play en
play pn
play pe
Repetition
pplay pen
pllay pen
plaay pen
playy pen
play pen
play ppen
play peen
play penn
QWERTY Substitution
olay pen
pkay pen
plsy pen
plat pen
plau pen
play oen
play pwn
play prn
play peb
play pem
QWERTY Repetition after
polay pen
plkay pen
plasy pen
playt pen
playu pen
play poen
play pewn
play pern
play penb
play penm
QWERTY Repetition before
oplay pen
pklay pen
plsay pen
platy pen
plauy pen
play open
play pwen
play pren
play pebn
play pemn
QWERTY Substitution Transposed
loay pen
oaly pen
olya pen
ola ypen
olayp en
olay epn
olay pne
kpay pen
paky pen
pkya pen
pka ypen
pkayp en
pkay epn
pkay pne
lpsy pen
psly pen
plys pen
pls ypen
plsyp en
plsy epn
plsy pne
lpat pen
palt pen
plta pen
pla tpen
platp en
plat epn
plat pne
lpau pen
palu pen
plua pen
pla upen
plaup en
plau epn
plau pne
lpay oen
paly oen
plya oen
pla yoen
playo en
play eon
play one
lpay pwn
paly pwn
plya pwn
pla ypwn
playp wn
play wpn
play pnw
lpay prn
paly prn
plya prn
pla yprn
playp rn
play rpn
play pnr
lpay peb
paly peb
plya peb
pla ypeb
playp eb
play epb
play pbe
lpay pem
paly pem
plya pem
pla ypem
playp em
play epm
play pme
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