11 letter words:
propitiator15,
8 letter words:
portrait10,
7 letter words:
propria11,
rapport11,
airport9,
patriot9,
taproot9,
tripart9,
rotator7,
traitor7,
6 letter words:
priapi10,
riprap10,
tiptop10,
parrot8,
potato8,
raptor8,
torpor8,
orator6,
5 letter words:
pipit9,
aport7,
atrip7,
patio7,
pitta7,
poori7,
potto7,
prior7,
tapir7,
topoi7,
trapt7,
troop7,
ottar5,
ratio5,
rotor5,
tarot5,
torii5,
torot5,
torta5,
trait5,
4 letter words:
poop8,
prop8,
atop6,
pair6,
parr6,
part6,
pita6,
poor6,
port6,
prao6,
prat6,
proa6,
rapt6,
tarp6,
tipi6,
topi6,
topo6,
trap6,
trip6,
trop6,
airt4,
iota4,
orra4,
otto4,
rato4,
riot4,
roar4,
root4,
rota4,
roti4,
roto4,
taro4,
tart4,
tiro4,
titi4,
toit4,
toot4,
tora4,
tori4,
toro4,
torr4,
tort4,
trio4,
trot4,
3 letter words:
app7,
pap7,
pip7,
pop7,
apo5,
apt5,
opt5,
par5,
pat5,
pia5,
pit5,
poi5,
poo5,
pot5,
pro5,
rap5,
rip5,
tap5,
tip5,
top5,
air3,
ait3,
art3,
att3,
oar3,
oat3,
oot3,
ora3,
ort3,
rai3,
rat3,
ria3,
rot3,
tao3,
tar3,
tat3,
tit3,
too3,
tor3,
tot3,
2 letter words:
op4,
pa4,
pi4,
ai2,
ar2,
at2,
it2,
oi2,
or2,
ta2,
ti2,
to2,