Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'pff.com', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
pff.com
Transposition0
fpf.com
pf.fcom
pffc.om
pff.ocm
pff.cmo
Transposition1
ffp.com
p.ffcom
pfc.fom
pffoc.m
pff.moc
Transposition2
.ffpcom
pcf.fom
pfo.cfm
pffmco.
Transposition2r
.ffpcom
pc.ffom
pfoc.fm
pffmoc.
Transposition0x2
fp.fcom
fpfc.om
fpf.ocm
fpf.cmo
pffc.om
pff.ocm
pff.cmo
pf.focm
pf.fcmo
pffc.mo
Slip3A
ffp.com
pf.fcom
pf.cfom
pffco.m
pff.omc
Slip3B
fpf.com
p.ffcom
pfcf.om
pffo.cm
pff.mco
Omission
ff.com
pf.com
pffcom
pff.om
pff.cm
pff.co
Repetition
ppff.com
pfff.com
pff..com
pff.ccom
pff.coom
pff.comm
QWERTY Substitution
off.com
pdf.com
pgf.com
pfd.com
pfg.com
pff.xom
pff.vom
pff.cim
pff.cpm
pff.con
QWERTY Repetition after
poff.com
pfdf.com
pfgf.com
pffd.com
pffg.com
pff.cxom
pff.cvom
pff.coim
pff.copm
pff.comn
QWERTY Repetition before
opff.com
pdff.com
pgff.com
pfdf.com
pfgf.com
pff.xcom
pff.vcom
pff.ciom
pff.cpom
pff.conm
QWERTY Substitution Transposed
fof.com
of.fcom
offc.om
off.ocm
off.cmo
dpf.com
pfd.com
pd.fcom
pdfc.om
pdf.ocm
pdf.cmo
gpf.com
pfg.com
pg.fcom
pgfc.om
pgf.ocm
pgf.cmo
fpd.com
pdf.com
pf.dcom
pfdc.om
pfd.ocm
pfd.cmo
fpg.com
pgf.com
pf.gcom
pfgc.om
pfg.ocm
pfg.cmo
fpf.xom
pf.fxom
pffx.om
pff.oxm
pff.xmo
fpf.vom
pf.fvom
pffv.om
pff.ovm
pff.vmo
fpf.cim
pf.fcim
pffc.im
pff.icm
pff.cmi
fpf.cpm
pf.fcpm
pffc.pm
pff.pcm
pff.cmp
fpf.con
pf.fcon
pffc.on
pff.ocn
pff.cno
WrongDoubles
ppf.com
pf..com
$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