4 letter words:
wipe9,
pepo8,
pipe8,
pope8,
3 letter words:
paw8,
pew8,
pow8,
wap8,
wop8,
app7,
pap7,
pep7,
pip7,
pop7,
awe6,
owe6,
wae6,
woe6,
ape5,
apo5,
ope5,
pea5,
pia5,
pie5,
poi5,
2 letter words:
aw5,
ow5,
we5,
wo5,
op4,
pa4,
pe4,
pi4,
ae2,
ai2,
oe2,
oi2,