Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'goop', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
goop
Transposition0
ogop
gopo
Transposition1
oogp
gpoo
Transposition2
poog
Transposition2r
poog
Transposition0x2
ogpo
Slip3A
oogp
gopo
Slip3B
ogop
gpoo
Omission
oop
gop
goo
Repetition
ggoop
gooop
goopp
QWERTY Substitution
foop
hoop
giop
gpop
goip
gopp
gooo
QWERTY Repetition after
gfoop
ghoop
goiop
gopop
gooip
goopp
goopo
QWERTY Repetition before
fgoop
hgoop
gioop
gpoop
goiop
gopop
gooop
QWERTY Substitution Transposed
ofop
fopo
ohop
hopo
igop
goip
gipo
pgop
gopp
gppo
ogip
giop
gopi
ogpp
gpop
ogoo
WrongDoubles
ggop
gopp
$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