7 letter words:
rollock13,
5 letter words:
crook11,
color7,
crool7,
4 letter words:
cook10,
cork10,
lock10,
rock10,
kolo8,
koro8,
look8,
rook8,
coll6,
cool6,
loco6,
loor4,
roll4,
3 letter words:
kor7,
rok7,
col5,
coo5,
cor5,
orc5,
roc5,
loo3,
lor3,
oor3,
roo3,
2 letter words:
ko6,
lo2,
oo2,
or2,