4 letter words:
pack12,
peck12,
pock12,
cake10,
coke10,
peak10,
poke10,
cape8,
capo8,
cope8,
pace8,
3 letter words:
kep9,
kop9,
cap7,
cep7,
cop7,
kae7,
kea7,
koa7,
oak7,
oka7,
oke7,
pac7,
pec7,
ace5,
ape5,
apo5,
oca5,
ope5,
pea5,
2 letter words:
ka6,
op4,
pa4,
pe4,
ae2,
oe2,