Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'valco', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
valco
Transposition0
avlco
vlaco
vaclo
valoc
Transposition1
lavco
vclao
vaocl
Transposition2
calvo
volca
Transposition2r
clavo
vocla
Transposition0x2
avclo
avloc
vlaoc
Slip3A
alvco
vlcao
vacol
Slip3B
lvaco
vcalo
vaolc
Omission
alco
vlco
vaco
valo
valc
Repetition
vvalco
vaalco
vallco
valcco
valcoo
QWERTY Substitution
calco
balco
vslco
vakco
valxo
valvo
valci
valcp
QWERTY Repetition after
vcalco
vbalco
vaslco
valkco
valcxo
valcvo
valcoi
valcop
QWERTY Repetition before
cvalco
bvalco
vsalco
vaklco
valxco
valvco
valcio
valcpo
QWERTY Substitution Transposed
aclco
claco
caclo
caloc
ablco
blaco
baclo
baloc
svlco
vlsco
vsclo
vsloc
avkco
vkaco
vacko
vakoc
avlxo
vlaxo
vaxlo
valox
avlvo
vlavo
vavlo
valov
avlci
vlaci
vacli
valic
avlcp
vlacp
vaclp
valpc
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