9 letter words:
potpourri13,
7 letter words:
purport11,
6 letter words:
troppo10,
irrupt8,
roopit8,
roupit8,
torpor8,
uproot8,
5 letter words:
poupt9,
poori7,
poort7,
prior7,
topoi7,
troop7,
outro5,
rotor5,
trior5,
4 letter words:
oppo8,
poop8,
prop8,
ripp8,
poor6,
poot6,
port6,
pour6,
pout6,
proo6,
ptui6,
puir6,
puri6,
purr6,
ript6,
roop6,
roup6,
rurp6,
topi6,
topo6,
trip6,
trop6,
riot4,
root4,
rort4,
roti4,
roto4,
rout4,
tiro4,
tirr4,
tori4,
toro4,
torr4,
tour4,
trio4,
3 letter words:
pip7,
pop7,
pup7,
oop5,
opt5,
oup5,
pir5,
pit5,
piu5,
poi5,
poo5,
pot5,
pro5,
pur5,
put5,
rip5,
tip5,
top5,
tup5,
upo5,
urp5,
oor3,
oot3,
ort3,
our3,
out3,
rit3,
roo3,
rot3,
rut3,
too3,
tor3,
tui3,
2 letter words:
op4,
pi4,
po4,
up4,
io2,
it2,
oi2,
oo2,
or2,
ou2,
ti2,
to2,
ur2,
ut2,