6 letter words:
colobi10,
5 letter words:
cibol9,
oboli7,
4 letter words:
bloc8,
boil6,
bolo6,
bool6,
coil6,
cool6,
lobi6,
lobo6,
loci6,
loco6,
obol6,
olio4,
3 letter words:
cob7,
bio5,
boi5,
boo5,
col5,
coo5,
lib5,
lob5,
obi5,
obo5,
loo3,
oil3,
2 letter words:
bi4,
bo4,
ob4,
io2,
li2,
lo2,
oi2,
oo2,
