5 letter words:
pekoe11,
piece9,
4 letter words:
peck12,
pick12,
pock12,
coke10,
keep10,
kepi10,
peek10,
peke10,
pike10,
poke10,
cepe8,
cope8,
epic8,
pice8,
3 letter words:
ick9,
kep9,
kip9,
kop9,
cep7,
cop7,
eek7,
eke7,
koi7,
oke7,
pec7,
pic7,
cee5,
ice5,
ope5,
pee5,
pie5,
poi5,
2 letter words:
ki6,
op4,
pe4,
pi4,
oe2,
oi2,