7 letter words:
freezer19,
fernier10,
reefier10,
refiner10,
6 letter words:
freeze18,
frieze18,
frizer18,
ferine9,
reefer9,
refine9,
refire9,
eerier6,
5 letter words:
feeze17,
finer8,
firer8,
freer8,
frere8,
frier8,
infer8,
refer8,
rifer8,
eerie5,
4 letter words:
friz16,
zein13,
zine13,
fere7,
fern7,
fine7,
fire7,
firn7,
free7,
neif7,
reef7,
reif7,
rife7,
erne4,
rein4,
3 letter words:
fez15,
fiz15,
zee12,
zin12,
fee6,
fen6,
fer6,
fie6,
fin6,
fir6,
ref6,
rif6,
ere3,
ern3,
err3,
ire3,
nee3,
ree3,
rei3,
rin3,
2 letter words:
ef5,
fe5,
if5,
en2,
er2,
in2,
ne2,
re2,