7 letter words:
couloir9,
6 letter words:
colour8,
5 letter words:
clour7,
color7,
curio7,
oculi7,
4 letter words:
coil6,
coir6,
cool6,
curl6,
loci6,
loco6,
uric6,
lour4,
olio4,
roil4,
3 letter words:
col5,
coo5,
cor5,
cru5,
cur5,
orc5,
roc5,
loo3,
oil3,
our3,
2 letter words:
li2,
lo2,
oi2,
or2,