Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'co-op', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
co-op
Transposition0
oc-op
c-oop
coo-p
co-po
Transposition1
-ocop
copo-
Transposition2
oo-cp
cp-oo
Transposition2r
o-ocp
cpo-o
Transposition0x2
oco-p
oc-po
c-opo
Slip3A
o-cop
c-oop
coop-
Slip3B
-coop
coo-p
cop-o
Omission
o-op
c-op
coop
co-p
co-o
Repetition
cco-op
coo-op
co--op
co-oop
co-opp
QWERTY Substitution
xo-op
vo-op
ci-op
cp-op
co-ip
co-pp
co-oo
QWERTY Repetition after
cxo-op
cvo-op
coi-op
cop-op
co-oip
co-opp
co-opo
QWERTY Repetition before
xco-op
vco-op
cio-op
cpo-op
co-iop
co-pop
co-oop
QWERTY Substitution Transposed
ox-op
x-oop
xoo-p
xo-po
ov-op
v-oop
voo-p
vo-po
ic-op
c-iop
cio-p
ci-po
pc-op
c-pop
cpo-p
cp-po
oc-ip
c-oip
coi-p
co-pi
oc-pp
c-opp
cop-p
oc-oo
c-ooo
coo-o
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