7 letter words:
feature10,
6 letter words:
truffe12,
afreet9,
feater9,
refute9,
5 letter words:
ruffe11,
after8,
feuar8,
arete5,
eater5,
urate5,
4 letter words:
raff10,
ruff10,
teff10,
tuff10,
fare7,
fart7,
fate7,
fear7,
feat7,
feet7,
fere7,
feta7,
fete7,
frae7,
frat7,
free7,
fret7,
raft7,
reef7,
reft7,
tref7,
tufa7,
turf7,
rate4,
rete4,
tare4,
tear4,
tree4,
true4,
urea4,
3 letter words:
aff9,
eff9,
aft6,
arf6,
eft6,
far6,
fat6,
fee6,
fer6,
fet6,
feu6,
fur6,
ref6,
are3,
art3,
ate3,
ear3,
eat3,
eau3,
era3,
ere3,
eta3,
rat3,
ree3,
ret3,
rue3,
rut3,
tae3,
tar3,
tau3,
tea3,
tee3,
uta3,
ute3,
2 letter words:
ef5,
fa5,
fe5,
ae2,
ar2,
at2,
er2,
et2,
re2,
ta2,
ut2,