5 letter words:
oppos9,
poops9,
props9,
proso7,
roops7,
sopor7,
spoor7,
4 letter words:
oppo8,
poop8,
pops8,
prop8,
oops6,
poor6,
poos6,
proo6,
pros6,
roop6,
soop6,
roos4,
3 letter words:
pop7,
oop5,
ops5,
poo5,
pos5,
pro5,
sop5,
oor3,
oos3,
ors3,
roo3,
2 letter words:
op4,
po4,
oo2,
or2,
os2,
so2,