6 letter words:
pottos8,
5 letter words:
potto7,
stoop7,
stopt7,
topos7,
ottos5,
toots5,
4 letter words:
oops6,
opts6,
poos6,
post6,
pots6,
spot6,
stop6,
topo6,
tops6,
oots4,
otto4,
soot4,
stot4,
toot4,
tost4,
tots4,
3 letter words:
ops5,
opt5,
poo5,
pot5,
pst5,
sop5,
top5,
oot3,
sot3,
too3,
tot3,
2 letter words:
op4,
os2,
so2,
to2,