8 letter words:
apocopic16,
5 letter words:
apoop9,
cocoa9,
4 letter words:
capi8,
capo8,
coca8,
coco8,
coop8,
oppo8,
paco8,
pica8,
pipa8,
poco8,
poop8,
ciao6,
3 letter words:
app7,
cap7,
cop7,
pac7,
pap7,
pic7,
pip7,
pop7,
apo5,
coo5,
oca5,
oop5,
pia5,
poa5,
poi5,
poo5,
2 letter words:
op4,
pa4,
pi4,
po4,
ai2,
io2,
oi2,
oo2,