6 letter words:
osmium10,
5 letter words:
momus9,
4 letter words:
momi8,
moms8,
mums8,
miso6,
sumo6,
3 letter words:
mim7,
mom7,
mum7,
umm7,
ism5,
mis5,
mos5,
mus5,
oms5,
sim5,
som5,
sum5,
sou3,
2 letter words:
mm6,
mi4,
mo4,
mu4,
om4,
um4,
is2,
oi2,
os2,
si2,
so2,
us2,