Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'senco', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
senco
Transposition0
esnco
sneco
secno
senoc
Transposition1
nesco
scneo
seocn
Transposition2
censo
sonce
Transposition2r
cneso
socne
Transposition0x2
escno
esnoc
sneoc
Slip3A
ensco
snceo
secon
Slip3B
nseco
sceno
seonc
Omission
enco
snco
seco
seno
senc
Repetition
ssenco
seenco
sennco
sencco
sencoo
QWERTY Substitution
aenco
denco
swnco
srnco
sebco
semco
senxo
senvo
senci
sencp
QWERTY Repetition after
saenco
sdenco
sewnco
sernco
senbco
senmco
sencxo
sencvo
sencoi
sencop
QWERTY Repetition before
asenco
dsenco
swenco
srenco
sebnco
semnco
senxco
senvco
sencio
sencpo
QWERTY Substitution Transposed
eanco
aneco
aecno
aenoc
ednco
dneco
decno
denoc
wsnco
snwco
swcno
swnoc
rsnco
snrco
srcno
srnoc
esbco
sbeco
secbo
seboc
esmco
smeco
secmo
semoc
esnxo
snexo
sexno
senox
esnvo
snevo
sevno
senov
esnci
sneci
secni
senic
esncp
snecp
secnp
senpc
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
$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