6 letter words:
pistou8,
putois8,
5 letter words:
pious7,
posit7,
pouts7,
situp7,
spout7,
stoup7,
topis7,
4 letter words:
opts6,
opus6,
oups6,
piso6,
pits6,
pois6,
post6,
pots6,
pout6,
ptui6,
puts6,
soup6,
spit6,
spot6,
stop6,
tips6,
topi6,
tops6,
tups6,
oust4,
outs4,
sout4,
suit4,
tuis4,
utis4,
3 letter words:
ops5,
opt5,
oup5,
pis5,
pit5,
piu5,
poi5,
pos5,
pot5,
psi5,
pst5,
pus5,
put5,
sip5,
sop5,
sup5,
tip5,
top5,
tup5,
upo5,
ups5,
ios3,
iso3,
its3,
ous3,
out3,
sit3,
sot3,
sou3,
sui3,
tis3,
tui3,
uts3,
2 letter words:
op4,
pi4,
po4,
up4,
io2,
is2,
it2,
oi2,
os2,
ou2,
si2,
so2,
st2,
ti2,
to2,
us2,
ut2,