Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'mecca', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
mecca
Transposition0
emcca
mceca
mecac
Transposition1
cemca
mccea
meacc
Transposition2
cecma
macce
Transposition2r
ccema
macce
Transposition0x2
emcca
emcac
mceac
Slip3A
ecmca
mccea
mecac
Slip3B
cmeca
mceca
meacc
Omission
ecca
mcca
meca
mecc
Repetition
mmecca
meecca
meccca
meccaa
QWERTY Substitution
necca
mwcca
mrcca
mexca
mevca
mecxa
mecva
meccs
QWERTY Repetition after
mnecca
mewcca
mercca
mecxca
mecvca
meccxa
meccva
meccas
QWERTY Repetition before
nmecca
mwecca
mrecca
mexcca
mevcca
mecxca
mecvca
meccsa
QWERTY Substitution Transposed
encca
nceca
necac
wmcca
mcwca
mwcac
rmcca
mcrca
mrcac
emxca
mxeca
mecxa
mexac
emvca
mveca
mecva
mevac
emcxa
mcexa
mexca
mecax
emcva
mceva
mevca
mecav
emccs
mcecs
mecsc
WrongDoubles
meeca
mecaa
$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