5 letter words:
deter6,
etude6,
treed6,
trued6,
4 letter words:
deer5,
deet5,
dere5,
dree5,
duet5,
dure5,
rede5,
reed5,
rude5,
rued5,
teed5,
turd5,
rete4,
tree4,
true4,
3 letter words:
dee4,
due4,
red4,
ted4,
urd4,
ere3,
ree3,
ret3,
rue3,
rut3,
tee3,
ute3,
2 letter words:
de3,
ed3,
er2,
et2,
re2,
ut2,