Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'prweb', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
prweb
Transposition0
rpweb
pwreb
prewb
prwbe
Transposition1
wrpeb
pewrb
prbew
Transposition2
erwpb
pbwer
Transposition2r
ewrpb
pbewr
Transposition0x2
rpewb
rpwbe
pwrbe
Slip3A
rwpeb
pwerb
prebw
Slip3B
wpreb
perwb
prbwe
Omission
rweb
pweb
preb
prwb
prwe
Repetition
pprweb
prrweb
prwweb
prweeb
prwebb
QWERTY Substitution
orweb
peweb
ptweb
prqeb
preeb
prwwb
prwrb
prwev
prwen
QWERTY Repetition after
porweb
preweb
prtweb
prwqeb
prweeb
prwewb
prwerb
prwebv
prwebn
QWERTY Repetition before
oprweb
perweb
ptrweb
prqweb
preweb
prwweb
prwreb
prwevb
prwenb
QWERTY Substitution Transposed
roweb
owreb
orewb
orwbe
epweb
pweeb
peewb
pewbe
tpweb
pwteb
ptewb
ptwbe
rpqeb
pqreb
preqb
prqbe
rpeeb
pereb
prebe
rpwwb
pwrwb
prwbw
rpwrb
pwrrb
prrwb
prwbr
rpwev
pwrev
prewv
prwve
rpwen
pwren
prewn
prwne
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