5 letter words:
koppa13,
poake11,
pooka11,
apoop9,
4 letter words:
koap10,
peak10,
poke10,
pook10,
oppo8,
pape8,
pepo8,
poep8,
poop8,
pope8,
3 letter words:
kep9,
kop9,
ake7,
app7,
kae7,
kea7,
koa7,
oak7,
oka7,
oke7,
pap7,
pep7,
pop7,
ape5,
apo5,
oop5,
ope5,
pea5,
poa5,
poo5,
2 letter words:
ka6,
ko6,
op4,
pa4,
pe4,
po4,
ae2,
ea2,
oe2,
oo2,