6 letter words:
zipper19,
nipper10,
5 letter words:
prize16,
piper9,
repin7,
ripen7,
4 letter words:
prez15,
zein13,
zine13,
perp8,
pipe8,
prep8,
repp8,
pein6,
peri6,
pier6,
pine6,
pirn6,
ripe6,
rein4,
3 letter words:
zep14,
zip14,
zin12,
pep7,
pip7,
nip5,
pen5,
per5,
pie5,
pin5,
rep5,
rip5,
ern3,
ire3,
rei3,
rin3,
2 letter words:
pe4,
pi4,
en2,
er2,
in2,
ne2,
re2,