6 letter words:
freeze18,
5 letter words:
feeze17,
4 letter words:
jeez20,
jefe14,
jeer11,
fere7,
fern7,
free7,
reef7,
erne4,
3 letter words:
fez15,
zee12,
jee10,
fee6,
fen6,
fer6,
ref6,
ere3,
ern3,
nee3,
ree3,
2 letter words:
ef5,
fe5,
en2,
er2,
ne2,
re2,