5 letter words:
compo11,
4 letter words:
cowp11,
comp10,
coom8,
coop8,
coup8,
moop8,
moup8,
poco8,
pomo8,
3 letter words:
cwm10,
cow8,
mow8,
pow8,
wop8,
cop7,
cum7,
cup7,
moc7,
mop7,
pom7,
ump7,
woo6,
coo5,
moo5,
mou5,
oom5,
oop5,
oup5,
poo5,
upo5,
2 letter words:
ow5,
wo5,
mo4,
mu4,
om4,
op4,
po4,
um4,
up4,
oo2,
ou2,