5 letter words:
apron7,
prana7,
4 letter words:
arpa6,
napa6,
para6,
porn6,
prao6,
proa6,
anoa4,
arna4,
rana4,
roan4,
3 letter words:
apo5,
nap5,
pan5,
par5,
poa5,
pro5,
rap5,
ana3,
nor3,
oar3,
ora3,
ran3,
2 letter words:
op4,
pa4,
po4,
aa2,
an2,
ar2,
na2,
no2,
on2,
or2,