5 letter words:
opera7,
pareo7,
porae7,
4 letter words:
aper6,
pare6,
pear6,
pore6,
prao6,
proa6,
rape6,
reap6,
repo6,
rope6,
aero4,
3 letter words:
ape5,
apo5,
ope5,
par5,
pea5,
per5,
poa5,
pre5,
pro5,
rap5,
rep5,
are3,
ear3,
era3,
oar3,
ora3,
ore3,
reo3,
roe3,
2 letter words:
op4,
pa4,
pe4,
po4,
ae2,
ar2,
ea2,
er2,
oe2,
or2,
re2,