wave + ing
waving
dry + ed
dried
cry + s
cries
flap + ed
flapped
annoy + ed
annoyed
carry + er
carrier
beg + ing
begging
pretty + est
prettiest
frustrate + ing
frustrating
skate + ing
skating
shake + ing
shaking
study + ed
studied
cut + ing
cutting
pay + ment
payment
slip + ed
slipped
chop + er
chopper
admire + ed
admired
supply + s
supplies
subscribe +ed
subscribed
spin + er
spinner
cry + ing
crying