5 letter words:
comby14,
combi11,
4 letter words:
moby11,
comb10,
buoy9,
mico8,
ombu8,
umbo8,
3 letter words:
myc10,
boy8,
buy8,
coy8,
icy8,
moy8,
yob8,
yom8,
yum8,
bum7,
cob7,
cub7,
cum7,
mib7,
mic7,
mob7,
moc7,
you6,
bio5,
boi5,
moi5,
mou5,
obi5,
2 letter words:
by7,
my7,
oy5,
yo5,
yu5,
bi4,
bo4,
mi4,
mo4,
mu4,
ob4,
om4,
um4,
io2,
oi2,
ou2,