9 letter words:
prefrozen23,
8 letter words:
prefroze22,
refrozen20,
7 letter words:
enfroze19,
refroze19,
6 letter words:
frozen18,
rezero15,
rezone15,
ronzer15,
prefer11,
forren9,
froren9,
frorne9,
opener8,
pereon8,
perone8,
perron8,
proner8,
reopen8,
repone8,
5 letter words:
forze17,
froze17,
zoner14,
ferer8,
freer8,
freon8,
frere8,
frore8,
frorn8,
refer8,
neper7,
porer7,
preen7,
prone7,
prore7,
repro7,
roper7,
4 letter words:
prez15,
zero13,
zone13,
prof9,
feen7,
feer7,
fere7,
fern7,
foen7,
fone7,
fore7,
free7,
froe7,
orfe7,
reef7,
neep6,
nope6,
open6,
peen6,
peer6,
pene6,
peon6,
pere6,
pern6,
pone6,
pore6,
porn6,
pree6,
repo6,
rope6,
erne4,
oner4,
reen4,
rone4,
rore4,
3 letter words:
fez15,
poz14,
zep14,
rez12,
zee12,
fop8,
erf6,
fee6,
fen6,
fer6,
foe6,
fon6,
for6,
fro6,
nef6,
orf6,
ref6,
nep5,
ope5,
pee5,
pen5,
per5,
pre5,
pro5,
rep5,
een3,
ene3,
eon3,
ere3,
ern3,
err3,
nee3,
nor3,
one3,
ore3,
ree3,
ren3,
reo3,
roe3,
2 letter words:
zo11,
ef5,
fe5,
of5,
op4,
pe4,
po4,
ee2,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,