6 letter words:
reeker10,
revere9,
revert9,
5 letter words:
keeve12,
ether8,
evert8,
reeve8,
revet8,
there8,
three8,
4 letter words:
khet11,
keet8,
reek8,
trek8,
ever7,
here7,
thee7,
veer7,
vert7,
rete4,
tree4,
3 letter words:
eek7,
eke7,
eth6,
eve6,
her6,
het6,
rev6,
the6,
vee6,
vet6,
ere3,
err3,
ree3,
ret3,
tee3,
2 letter words:
eh5,
he5,
er2,
et2,
re2,