6 letter words:
pooris8,
prosos8,
sopors8,
spoors8,
5 letter words:
orzos14,
zoris14,
pisos7,
poori7,
priss7,
proso7,
pross7,
sopor7,
spoor7,
4 letter words:
zips15,
orzo13,
zoos13,
zori13,
oops6,
piso6,
piss6,
pois6,
poor6,
poos6,
pros6,
psis6,
rips6,
sips6,
sops6,
sirs4,
sori4,
sris4,
3 letter words:
zip14,
zoo12,
ops5,
pis5,
poi5,
poo5,
pro5,
psi5,
rip5,
sip5,
sop5,
ors3,
sir3,
sis3,
sos3,
sri3,
2 letter words:
op4,
pi4,
is2,
oi2,
or2,
os2,
si2,
so2,