5 letter words:
crick13,
crock13,
prick13,
crook11,
croci9,
iroko9,
poori7,
4 letter words:
cock12,
pick12,
pock12,
cook10,
cork10,
pork10,
rick10,
rock10,
coco8,
coop8,
croc8,
crop8,
poco8,
rook8,
coir6,
poor6,
3 letter words:
ick9,
kip9,
kop9,
cop7,
irk7,
kir7,
koi7,
kor7,
pic7,
coo5,
cor5,
orc5,
poi5,
poo5,
pro5,
rip5,
roc5,
2 letter words:
ki6,
op4,
pi4,
oi2,
or2,