5 letter words:
perry10,
pryer10,
ryper10,
4 letter words:
prez15,
prey9,
pyne9,
pyre9,
rype9,
reny7,
pern6,
3 letter words:
zep14,
rez12,
pry8,
pye8,
yep8,
nye6,
rye6,
yen6,
nep5,
pen5,
per5,
pre5,
rep5,
ern3,
err3,
ren3,
2 letter words:
ny5,
ye5,
pe4,
en2,
er2,
ne2,
re2,