8 letter words:
bicolour12,
7 letter words:
bicolor11,
brocoli11,
couloir9,
6 letter words:
colobi10,
lubric10,
colour8,
5 letter words:
boric9,
cibol9,
broil7,
clour7,
color7,
curio7,
oboli7,
oculi7,
4 letter words:
bloc8,
club8,
crib8,
curb8,
birl6,
biro6,
blur6,
boil6,
bolo6,
boor6,
brio6,
broo6,
burl6,
coil6,
coir6,
cool6,
curl6,
lobo6,
loci6,
loco6,
obol6,
uric6,
lour4,
olio4,
roil4,
3 letter words:
cob7,
cub7,
bio5,
boo5,
bro5,
bur5,
col5,
coo5,
cor5,
cru5,
cur5,
lib5,
lob5,
obi5,
orb5,
orc5,
rib5,
rob5,
roc5,
rub5,
urb5,
loo3,
oil3,
our3,
2 letter words:
bi4,
bo4,
li2,
lo2,
oi2,
or2,