8 letter words:
deterred10,
6 letter words:
deeder8,
redder8,
reeded8,
tedder8,
reeder7,
teered7,
retree6,
5 letter words:
dered7,
dreed7,
reded7,
deere6,
deter6,
drere6,
erred6,
reede6,
treed6,
4 letter words:
deed6,
redd6,
deer5,
deet5,
dere5,
dree5,
ered5,
rede5,
reed5,
teed5,
rete4,
teer4,
tree4,
3 letter words:
dee4,
red4,
ted4,
ere3,
err3,
ree3,
ret3,
tee3,
2 letter words:
de3,
ed3,
ee2,
er2,
et2,
re2,
te2,