8 letter words:
reheater11,
6 letter words:
aether9,
hearer9,
heater9,
hereat9,
rather9,
rehear9,
reheat9,
retear6,
tearer6,
terrae6,
5 letter words:
earth8,
ether8,
hater8,
heart8,
rathe8,
there8,
three8,
arete5,
eater5,
rater5,
tarre5,
terra5,
4 letter words:
eath7,
haet7,
hare7,
hart7,
hate7,
hear7,
heat7,
here7,
rath7,
rhea7,
tahr7,
thae7,
thee7,
rare4,
rate4,
rear4,
rete4,
tare4,
tear4,
tree4,
3 letter words:
eth6,
hae6,
hat6,
her6,
het6,
rah6,
the6,
are3,
art3,
ate3,
ear3,
eat3,
era3,
ere3,
err3,
eta3,
rat3,
ree3,
ret3,
tae3,
tar3,
tea3,
tee3,
2 letter words:
ah5,
eh5,
ha5,
he5,
ae2,
ar2,
at2,
er2,
et2,
re2,
ta2,