7 letter words:
trouper9,
6 letter words:
porter8,
pourer8,
pouter8,
pretor8,
report8,
repour8,
roupet8,
troupe8,
uptore8,
router6,
tourer6,
5 letter words:
erupt7,
purer7,
repot7,
repro7,
roper7,
toper7,
trope7,
outer5,
outre5,
retro5,
route5,
truer5,
4 letter words:
pert6,
poet6,
pore6,
port6,
pour6,
pout6,
pure6,
purr6,
repo6,
rope6,
roup6,
tope6,
trop6,
euro4,
rote4,
roue4,
rout4,
ruer4,
tore4,
torr4,
tour4,
true4,
3 letter words:
ope5,
opt5,
per5,
pet5,
pot5,
pro5,
pur5,
put5,
rep5,
top5,
tup5,
upo5,
urp5,
err3,
ore3,
ort3,
our3,
out3,
ret3,
roe3,
rot3,
rue3,
rut3,
toe3,
tor3,
ute3,
2 letter words:
op4,
pe4,
up4,
er2,
et2,
oe2,
or2,
re2,
to2,
ut2,