7 letter words:
sorosis7,
6 letter words:
sissoo6,
urosis6,
5 letter words:
orris5,
risus5,
siris5,
sorus5,
sours5,
4 letter words:
iris4,
isos4,
ours4,
roos4,
siri4,
sirs4,
siss4,
sori4,
soss4,
sour4,
sous4,
sris4,
suss4,
3 letter words:
ios3,
iso3,
oor3,
oos3,
ors3,
our3,
ous3,
roo3,
sir3,
sis3,
sos3,
sou3,
sri3,
sui3,
sur3,
sus3,
2 letter words:
io2,
is2,
oi2,
oo2,
or2,
os2,
ou2,
si2,
so2,
ur2,
us2,