Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'toppik', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
toppik
Transposition0
otppik
tpopik
topipk
toppki
Transposition1
potpik
tppoik
toippk
topkip
Transposition2
poptik
tippok
tokpip
Transposition2r
ppotik
tippok
tokipp
Transposition0x2
otppik
otpipk
otppki
tpoipk
tpopki
toppki
Slip3A
optpik
tppoik
topipk
topikp
Slip3B
ptopik
tpopik
toippk
topkpi
Omission
oppik
tppik
topik
toppk
toppi
Repetition
ttoppik
tooppik
topppik
toppiik
toppikk
QWERTY Substitution
roppik
yoppik
tippik
tpppik
toopik
topoik
toppuk
toppok
toppij
toppil
QWERTY Repetition after
troppik
tyoppik
toippik
topppik
topopik
toppoik
toppiuk
toppiok
toppikj
toppikl
QWERTY Repetition before
rtoppik
ytoppik
tioppik
tpoppik
tooppik
topopik
toppuik
toppoik
toppijk
toppilk
QWERTY Substitution Transposed
orppik
rpopik
ropipk
roppki
oyppik
ypopik
yopipk
yoppki
itppik
tpipik
tipipk
tippki
ptppik
tppipk
tpppki
otopik
topoik
tooipk
toopki
otpoik
tpooik
toopik
topiok
topoki
otppuk
tpopuk
topupk
toppku
otppok
tpopok
topopk
toppko
otppij
tpopij
topipj
toppji
otppil
tpopil
topipl
toppli
WrongDoubles
toopik
topiik
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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