bigger
big + er
helped
help + ed
shut + ing
shutting
lamps
lamp + s
run + y
runny
fishing
fish + ing
asking
ask + ing
nodded
nod + ed
boxes
box + es
mop + ing
mopping
hoping
hope + ing
phones
phone + s
sob + ing
sobbing
hopping
hop + ing
wishes
wish + es
tallest
tall + est
filled
fill + ed