7 letter words:
refuted11,
6 letter words:
defter10,
turfed10,
refute9,
5 letter words:
defer9,
feted9,
feued9,
freed9,
refed9,
deter6,
etude6,
treed6,
trued6,
4 letter words:
deft8,
feed8,
feud8,
feet7,
fere7,
fete7,
free7,
fret7,
reef7,
reft7,
tref7,
turf7,
deer5,
deet5,
dere5,
dree5,
duet5,
dure5,
rede5,
reed5,
rude5,
rued5,
teed5,
turd5,
rete4,
tree4,
true4,
3 letter words:
def7,
fed7,
fud7,
eft6,
fee6,
fer6,
fet6,
feu6,
fur6,
ref6,
dee4,
due4,
red4,
ted4,
urd4,
ere3,
ree3,
ret3,
rue3,
rut3,
tee3,
ute3,
2 letter words:
ef5,
fe5,
de3,
ed3,
er2,
et2,
re2,
ut2,