6 letter words:
miosis8,
5 letter words:
misos7,
simis7,
4 letter words:
isms6,
miso6,
miss6,
moss6,
simi6,
sims6,
soms6,
isos4,
3 letter words:
ism5,
mis5,
moi5,
mos5,
oms5,
sim5,
som5,
ios3,
iso3,
sis3,
sos3,
2 letter words:
mi4,
mo4,
om4,
io2,
is2,
oi2,
os2,
si2,
so2,