5 letter words:
appro9,
pargo8,
4 letter words:
parp8,
prop8,
gapo7,
gorp7,
prog7,
prao6,
proa6,
gora5,
3 letter words:
app7,
pap7,
pop7,
gap6,
apo5,
par5,
poa5,
pro5,
rap5,
ago4,
gar4,
goa4,
gor4,
rag4,
oar3,
ora3,
2 letter words:
op4,
pa4,
po4,
ag3,
go3,
ar2,
or2,