Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'toll-free', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
toll-free
Transposition0
otll-free
tlol-free
tol-lfree
tollf-ree
toll-rfee
toll-fere
Transposition1
lotl-free
tllo-free
to-llfree
tolf-lree
tollrf-ee
toll-erfe
toll-feer
Transposition2
lolt-free
t-llofree
tofl-lree
tolr-flee
tollefr-e
toll-eref
Transposition2r
llot-free
t-llofree
tof-llree
tolrf-lee
tollerf-e
toll-eerf
Transposition0x2
otll-free
otl-lfree
otllf-ree
otll-rfee
otll-fere
tlo-lfree
tlolf-ree
tlol-rfee
tlol-fere
tlol-free
tollf-ree
toll-rfee
toll-fere
tol-lrfee
tol-lfere
tol-lfree
tollf-ere
Slip3A
oltl-free
tllo-free
tol-lfree
tol-flree
tollfr-ee
toll-refe
toll-feer
Slip3B
ltol-free
tlol-free
to-llfree
tolfl-ree
tollr-fee
toll-efre
toll-fere
Omission
oll-free
tll-free
tol-free
tollfree
toll-ree
toll-fee
toll-fre
Repetition
ttoll-free
tooll-free
tolll-free
toll--free
toll-ffree
toll-frree
toll-freee
QWERTY Substitution
roll-free
yoll-free
till-free
tpll-free
tokl-free
tolk-free
toll-dree
toll-gree
toll-feee
toll-ftee
toll-frwe
toll-frre
toll-frew
toll-frer
QWERTY Repetition after
troll-free
tyoll-free
toill-free
topll-free
tolkl-free
tollk-free
toll-fdree
toll-fgree
toll-freee
toll-frtee
toll-frewe
toll-frere
toll-freew
toll-freer
QWERTY Repetition before
rtoll-free
ytoll-free
tioll-free
tpoll-free
tokll-free
tolkl-free
toll-dfree
toll-gfree
toll-feree
toll-ftree
toll-frwee
toll-frree
toll-frewe
toll-frere
QWERTY Substitution Transposed
orll-free
rlol-free
rol-lfree
rollf-ree
roll-rfee
roll-fere
oyll-free
ylol-free
yol-lfree
yollf-ree
yoll-rfee
yoll-fere
itll-free
tlil-free
til-lfree
tillf-ree
till-rfee
till-fere
ptll-free
tlpl-free
tpl-lfree
tpllf-ree
tpll-rfee
tpll-fere
otkl-free
tkol-free
tolk-free
tok-lfree
toklf-ree
tokl-rfee
tokl-fere
otlk-free
tlok-free
tokl-free
tol-kfree
tolkf-ree
tolk-rfee
tolk-fere
otll-dree
tlol-dree
tol-ldree
tolld-ree
toll-rdee
toll-dere
otll-gree
tlol-gree
tol-lgree
tollg-ree
toll-rgee
toll-gere
otll-feee
tlol-feee
tol-lfeee
tollf-eee
toll-efee
otll-ftee
tlol-ftee
tol-lftee
tollf-tee
toll-tfee
toll-fete
otll-frwe
tlol-frwe
tol-lfrwe
tollf-rwe
toll-rfwe
toll-fwre
toll-frew
otll-frre
tlol-frre
tol-lfrre
tollf-rre
toll-rfre
toll-frer
otll-frew
tlol-frew
tol-lfrew
tollf-rew
toll-rfew
toll-ferw
toll-frwe
otll-frer
tlol-frer
tol-lfrer
tollf-rer
toll-rfer
toll-ferr
toll-frre
WrongDoubles
tool-free
tol--free
toll-frre
$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
$sortKeys
$stringify
$stringifySafe
$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