Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'belfast', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
belfast
Transposition0
eblfast
blefast
beflast
belafst
belfsat
belfats
Transposition1
lebfast
bfleast
beaflst
belsaft
belftsa
Transposition2
felbast
balfest
besfalt
beltasf
Transposition2r
flebast
baflest
besaflt
beltsaf
Transposition0x2
ebflast
eblafst
eblfsat
eblfats
bleafst
blefsat
blefats
beflsat
beflats
belafts
Slip3A
elbfast
blfeast
befalst
belasft
belfsta
Slip3B
lbefast
bfelast
bealfst
belsfat
belftas
Omission
elfast
blfast
befast
belast
belfst
belfat
belfas
Repetition
bbelfast
beelfast
bellfast
belffast
belfaast
belfasst
belfastt
QWERTY Substitution
velfast
nelfast
bwlfast
brlfast
bekfast
beldast
belgast
belfsst
belfaat
belfadt
belfasr
belfasy
QWERTY Repetition after
bvelfast
bnelfast
bewlfast
berlfast
belkfast
belfdast
belfgast
belfasst
belfasat
belfasdt
belfastr
belfasty
QWERTY Repetition before
vbelfast
nbelfast
bwelfast
brelfast
beklfast
beldfast
belgfast
belfsast
belfaast
belfadst
belfasrt
belfasyt
QWERTY Substitution Transposed
evlfast
vlefast
veflast
velafst
velfsat
velfats
enlfast
nlefast
neflast
nelafst
nelfsat
nelfats
wblfast
blwfast
bwflast
bwlafst
bwlfsat
bwlfats
rblfast
blrfast
brflast
brlafst
brlfsat
brlfats
ebkfast
bkefast
befkast
bekafst
bekfsat
bekfats
ebldast
bledast
bedlast
beladst
beldsat
beldats
eblgast
blegast
beglast
belagst
belgsat
belgats
eblfsst
blefsst
beflsst
belsfst
belfsts
eblfaat
blefaat
beflaat
belafat
belfata
eblfadt
blefadt
befladt
belafdt
belfdat
belfatd
eblfasr
blefasr
beflasr
belafsr
belfsar
belfars
eblfasy
blefasy
beflasy
belafsy
belfsay
belfays
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