8 letter words:
expender18,
7 letter words:
preened10,
6 letter words:
expend16,
deepen9,
deeper9,
peened9,
peered9,
needer7,
5 letter words:
preed8,
preen7,
ender6,
4 letter words:
prex13,
exed12,
deep7,
peed7,
pend7,
epee6,
neep6,
peen6,
peer6,
pere6,
pree6,
deer5,
dene5,
dere5,
dree5,
need5,
nerd5,
rede5,
reed5,
rend5,
erne4,
3 letter words:
dex11,
rex10,
ped6,
pee5,
pen5,
per5,
rep5,
dee4,
den4,
end4,
red4,
ere3,
ern3,
nee3,
ree3,
2 letter words:
ex9,
pe4,
de3,
ed3,
en2,
er2,
ne2,
re2,