5 letter words:
comma11,
mambo11,
4 letter words:
comb10,
comm10,
ambo8,
ammo8,
boma8,
camo8,
caum8,
coma8,
ombu8,
umbo8,
ouma6,
3 letter words:
bac7,
bam7,
bum7,
cab7,
cam7,
cob7,
cub7,
cum7,
mac7,
mam7,
mob7,
moc7,
mom7,
mum7,
umm7,
abo5,
amu5,
boa5,
moa5,
mou5,
oba5,
oca5,
2 letter words:
mm6,
ab4,
am4,
ba4,
bo4,
ma4,
mo4,
mu4,
ob4,
om4,
um4,
ou2,