9 letter words:
apparitor13,
7 letter words:
propria11,
rapport11,
airport9,
6 letter words:
riprap10,
aporia8,
parrot8,
raptor8,
5 letter words:
apart7,
aport7,
atrip7,
patio7,
prior7,
tapir7,
aorta5,
atria5,
raita5,
ratio5,
riata5,
tiara5,
4 letter words:
papa8,
prop8,
atap6,
atop6,
pair6,
para6,
parr6,
part6,
pita6,
port6,
prao6,
prat6,
proa6,
rapt6,
tapa6,
tarp6,
topi6,
trap6,
trip6,
trop6,
airt4,
aria4,
iota4,
orra4,
raia4,
rato4,
riot4,
roar4,
rota4,
roti4,
taro4,
tiro4,
tora4,
tori4,
torr4,
trio4,
3 letter words:
app7,
pap7,
pip7,
pop7,
apo5,
apt5,
opt5,
par5,
pat5,
pia5,
pit5,
poi5,
pot5,
pro5,
rap5,
rip5,
tap5,
tip5,
top5,
air3,
ait3,
art3,
oar3,
oat3,
ora3,
ort3,
rai3,
rat3,
ria3,
rot3,
tao3,
tar3,
tor3,
2 letter words:
op4,
pa4,
pi4,
aa2,
ai2,
ar2,
at2,
it2,
oi2,
or2,
ta2,
ti2,
to2,