Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'mail', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
mail
Transposition0
amil
mial
mali
Transposition1
iaml
mlia
Transposition2
laim
Transposition2r
liam
Transposition0x2
amli
Slip3A
aiml
mila
Slip3B
imal
mlai
Omission
ail
mil
mal
mai
Repetition
mmail
maail
maiil
maill
QWERTY Substitution
nail
msil
maul
maol
maik
QWERTY Repetition after
mnail
masil
maiul
maiol
mailk
QWERTY Repetition before
nmail
msail
mauil
maoil
maikl
QWERTY Substitution Transposed
anil
nial
nali
smil
misl
msli
amul
mual
malu
amol
moal
malo
amik
miak
maki
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
$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