9 letter words:
hereunder13,
7 letter words:
endurer8,
6 letter words:
heeder10,
herder10,
endure7,
enured7,
needer7,
render7,
5 letter words:
heder9,
ender6,
endue6,
erred6,
nuder6,
ruder6,
undee6,
under6,
enure5,
rerun5,
4 letter words:
heed8,
herd8,
hued8,
here7,
hern7,
deer5,
dene5,
dere5,
dree5,
dune5,
dure5,
durn5,
durr5,
need5,
nerd5,
nude5,
nurd5,
rede5,
reed5,
rend5,
rude5,
rued5,
unde5,
erne4,
ruer4,
rune4,
3 letter words:
duh7,
edh7,
hen6,
her6,
hue6,
hun6,
dee4,
den4,
due4,
dun4,
end4,
red4,
urd4,
ere3,
ern3,
err3,
nee3,
ree3,
rue3,
run3,
urn3,
2 letter words:
eh5,
he5,
uh5,
de3,
ed3,
en2,
er2,
ne2,
nu2,
re2,
un2,