8 letter words:
cockapoo18,
5 letter words:
acock13,
pooka11,
cocoa9,
4 letter words:
cock12,
pack12,
pock12,
cook10,
koap10,
pook10,
capo8,
coca8,
coco8,
coop8,
paco8,
poco8,
3 letter words:
kop9,
cap7,
cop7,
koa7,
oak7,
oka7,
pac7,
apo5,
coo5,
oca5,
oop5,
poa5,
poo5,
2 letter words:
ka6,
ko6,
op4,
pa4,
po4,
oo2,