sit
sitting
siting
hug
huging
hugging
drop
droping
dropping
rub
rubbing
rubing
dig
digging
diging
beg
beging
begging
skip
skiping
skipping
run
running
runing
grab
grabbing
grabing
tap
taping
tapping
hop
hopping
hoping
clap
clapping
claping
swim
swiming
swimming
stop
stoping
stopping
plan
planing
planning