6 letter words:
roupit8,
4 letter words:
port6,
pour6,
pout6,
ptui6,
puir6,
puri6,
ript6,
roup6,
topi6,
trip6,
trop6,
riot4,
roti4,
rout4,
tiro4,
tori4,
tour4,
trio4,
3 letter words:
opt5,
oup5,
pir5,
pit5,
piu5,
poi5,
pot5,
pro5,
pur5,
put5,
rip5,
tip5,
top5,
tup5,
upo5,
urp5,
ort3,
our3,
out3,
rit3,
rot3,
rut3,
tor3,
tui3,
2 letter words:
op4,
pi4,
po4,
up4,
io2,
it2,
oi2,
or2,
ou2,
ti2,
to2,
ur2,
ut2,