5 letter words:
orzos14,
zoris14,
4 letter words:
orzo13,
zoos13,
zori13,
isos4,
roos4,
sirs4,
sori4,
sris4,
3 letter words:
riz12,
zoo12,
zos12,
ios3,
iso3,
oor3,
oos3,
ors3,
roo3,
sir3,
sis3,
sos3,
sri3,
2 letter words:
zo11,
io2,
is2,
oi2,
oo2,
or2,
os2,
si2,
so2,