5 letter words:
crook11,
4 letter words:
pock12,
cook10,
cork10,
pook10,
pork10,
rock10,
coop8,
crop8,
koro8,
poco8,
rook8,
poor6,
proo6,
roop6,
3 letter words:
kop9,
cop7,
kor7,
rok7,
coo5,
cor5,
oop5,
orc5,
poo5,
pro5,
roc5,
oor3,
roo3,
2 letter words:
ko6,
op4,
po4,
oo2,
or2,