5 letter words:
bobac11,
cabob11,
baboo9,
cobia9,
4 letter words:
cobb10,
boab8,
boba8,
boob8,
ciao6,
obia6,
3 letter words:
bow8,
caw8,
cow8,
wab8,
abb7,
bac7,
bib7,
bob7,
cab7,
cob7,
wai6,
woo6,
abo5,
bio5,
boa5,
boi5,
boo5,
coo5,
oba5,
obi5,
obo5,
oca5,
2 letter words:
aw5,
ow5,
wo5,
ab4,
ba4,
bi4,
bo4,
ob4,
ai2,
io2,
oi2,
oo2,