5 letter words:
comps11,
coups9,
4 letter words:
comp10,
cops8,
coup8,
cups8,
cusp8,
mocs8,
mops8,
poms8,
scop8,
scum8,
scup8,
sump8,
umps8,
opus6,
soup6,
sumo6,
3 letter words:
cop7,
cum7,
cup7,
moc7,
mop7,
pom7,
ump7,
cos5,
mos5,
mus5,
oms5,
ops5,
pus5,
som5,
sop5,
sum5,
sup5,
upo5,
ups5,
sou3,
2 letter words:
mo4,
mu4,
om4,
op4,
um4,
up4,
os2,
so2,
us2,