10 letter words:
poliovirus15,
7 letter words:
proviso12,
6 letter words:
orlops8,
pilous8,
poilus8,
polios8,
pooris8,
porous8,
5 letter words:
ovoli8,
viols8,
virls8,
virus8,
visor8,
loops7,
loups7,
orlop7,
pilis7,
pilus7,
pious7,
poilu7,
polio7,
polis7,
polos7,
pools7,
poori7,
pours7,
proso7,
pulis7,
puris7,
purls7,
roups7,
sirup7,
sloop7,
slurp7,
sopor7,
spoil7,
spool7,
spoor7,
loris5,
louis5,
lours5,
olios5,
roils5,
4 letter words:
spiv9,
luvs7,
viol7,
virl7,
lips6,
lisp6,
loop6,
lops6,
loup6,
oops6,
opus6,
pili6,
piso6,
plus6,
pois6,
polo6,
pols6,
pool6,
poor6,
poos6,
pour6,
pros6,
puli6,
puls6,
puri6,
purl6,
purs6,
rips6,
roup6,
slip6,
slop6,
soup6,
spur6,
urps6,
iris4,
liri4,
loos4,
lour4,
oils4,
olio4,
ours4,
roil4,
silo4,
slur4,
soil4,
soli4,
solo4,
sori4,
soul4,
sour4,
3 letter words:
luv6,
vis6,
lip5,
lop5,
ops5,
pis5,
piu5,
poi5,
pol5,
poo5,
pro5,
psi5,
pul5,
pur5,
pus5,
rip5,
sip5,
sop5,
sup5,
upo5,
ups5,
urp5,
lis3,
loo3,
oil3,
ors3,
our3,
sir3,
sol3,
sou3,
sri3,
2 letter words:
op4,
pi4,
up4,
is2,
li2,
lo2,
oi2,
or2,
os2,
si2,
so2,
us2,