6 letter words:
delete7,
leered7,
reeled7,
5 letter words:
deter6,
elder6,
treed6,
relet5,
4 letter words:
deer5,
deet5,
dele5,
delt5,
dere5,
dree5,
rede5,
reed5,
teed5,
leer4,
leet4,
reel4,
rete4,
teel4,
tele4,
tree4,
3 letter words:
dee4,
del4,
eld4,
led4,
red4,
ted4,
eel3,
ere3,
lee3,
let3,
ree3,
ret3,
tee3,
tel3,
2 letter words:
de3,
ed3,
el2,
er2,
et2,
re2,