7 letter words:
pennine9,
6 letter words:
penner8,
pinene8,
pinner8,
repine8,
rennin6,
5 letter words:
penne7,
penni7,
preen7,
repin7,
ripen7,
inner5,
renin5,
4 letter words:
neep6,
peen6,
peer6,
pein6,
pere6,
peri6,
pier6,
pine6,
pirn6,
pree6,
ripe6,
erne4,
nene4,
nine4,
rein4,
3 letter words:
nip5,
pee5,
pen5,
per5,
pie5,
pin5,
rep5,
rip5,
ere3,
ern3,
inn3,
ire3,
nee3,
ree3,
rei3,
rin3,
2 letter words:
pe4,
pi4,
en2,
er2,
in2,
ne2,
re2,