5 letter words:
bumbo11,
4 letter words:
bomb10,
ambo8,
babu8,
boab8,
boba8,
boma8,
buba8,
bubo8,
ombu8,
umbo8,
ouma6,
3 letter words:
abb7,
bam7,
bob7,
bub7,
bum7,
mob7,
abo5,
amu5,
boa5,
moa5,
mou5,
oba5,
2 letter words:
ab4,
am4,
ba4,
bo4,
ma4,
mo4,
mu4,
ob4,
om4,
um4,
ou2,