7 letter words:
outport9,
taproot9,
6 letter words:
potato8,
prutot8,
uproot8,
5 letter words:
aport7,
potto7,
pruta7,
putto7,
trapt7,
troop7,
ottar5,
tarot5,
torot5,
torta5,
trout5,
tutor5,
4 letter words:
atop6,
part6,
poor6,
port6,
pour6,
pout6,
prao6,
prat6,
prau6,
proa6,
putt6,
rapt6,
roup6,
tarp6,
topo6,
trap6,
trop6,
auto4,
otto4,
rato4,
root4,
rota4,
roto4,
rout4,
taro4,
tart4,
taut4,
toot4,
tora4,
toro4,
tort4,
tour4,
tout4,
trot4,
3 letter words:
apo5,
apt5,
opt5,
par5,
pat5,
poo5,
pot5,
pro5,
pur5,
put5,
rap5,
tap5,
top5,
tup5,
upo5,
urp5,
art3,
att3,
oar3,
oat3,
oot3,
ora3,
ort3,
our3,
out3,
rat3,
rot3,
rut3,
tao3,
tar3,
tat3,
tau3,
too3,
tor3,
tot3,
tut3,
uta3,
2 letter words:
op4,
pa4,
up4,
ar2,
at2,
or2,
ta2,
to2,
ut2,