6 letter words:
future9,
refute9,
5 letter words:
fetor8,
forte8,
ofter8,
outer5,
outre5,
route5,
4 letter words:
feet7,
fere7,
fete7,
fore7,
fort7,
four7,
free7,
fret7,
froe7,
reef7,
reft7,
tofu7,
tref7,
turf7,
euro4,
rete4,
rote4,
roue4,
rout4,
tore4,
tour4,
tree4,
true4,
3 letter words:
eft6,
fee6,
fer6,
fet6,
feu6,
foe6,
for6,
fou6,
fro6,
fur6,
oft6,
ref6,
ere3,
ore3,
ort3,
our3,
out3,
ree3,
ret3,
roe3,
rot3,
rue3,
rut3,
tee3,
toe3,
tor3,
ute3,
2 letter words:
ef5,
fe5,
of5,
er2,
et2,
oe2,
or2,
re2,
to2,
ut2,