8 letter words:
inferior11,
7 letter words:
prefire12,
fennier10,
fernier10,
fierier10,
finnier10,
inferno10,
refiner10,
reifier10,
pereion9,
pioneer9,
pornier9,
repiner9,
ripener9,
ripieno9,
onerier7,
6 letter words:
prefer11,
feirie9,
ferine9,
refine9,
refire9,
opener8,
orpine8,
penner8,
pereon8,
pernio8,
perron8,
pinene8,
pinier8,
pinion8,
pinner8,
reopen8,
repine8,
ropier8,
ironer6,
5 letter words:
finer8,
firer8,
freer8,
frere8,
frier8,
frore8,
infer8,
refer8,
rifer8,
opine7,
orpin7,
penne7,
penni7,
pinon7,
preen7,
prier7,
prion7,
prior7,
prone7,
repin7,
repro7,
ripen7,
riper7,
roper7,
inion5,
inner5,
irone5,
renin5,
4 letter words:
prof9,
fere7,
fern7,
fine7,
fino7,
fire7,
firn7,
foin7,
fore7,
free7,
froe7,
info7,
neif7,
reef7,
reif7,
rife7,
neep6,
nope6,
open6,
peen6,
peer6,
pein6,
peon6,
pere6,
peri6,
pier6,
pine6,
pion6,
pirn6,
pone6,
pore6,
porn6,
pree6,
repo6,
ripe6,
rope6,
erne4,
inro4,
iron4,
nene4,
neon4,
nine4,
noir4,
none4,
nori4,
rein4,
3 letter words:
fop8,
fee6,
fen6,
fer6,
fie6,
fin6,
fir6,
foe6,
fon6,
for6,
fro6,
ref6,
rif6,
nip5,
ope5,
pee5,
pen5,
per5,
pie5,
pin5,
poi5,
pro5,
rep5,
rip5,
eon3,
ere3,
ern3,
err3,
inn3,
ion3,
ire3,
nee3,
nor3,
one3,
ore3,
ree3,
rei3,
rin3,
roe3,
2 letter words:
ef5,
fe5,
if5,
of5,
op4,
pe4,
pi4,
en2,
er2,
in2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,