6 letter words:
cuckoo14,
5 letter words:
crock13,
cruck13,
crook11,
occur9,
4 letter words:
cock12,
work11,
cook10,
cork10,
rock10,
ruck10,
crow9,
coco8,
croc8,
rook8,
3 letter words:
wok10,
cow8,
kor7,
row6,
woo6,
coo5,
cor5,
cru5,
cur5,
orc5,
roc5,
our3,
2 letter words:
ow5,
wo5,
or2,