6 letter words:
etcher11,
5 letter words:
cheer10,
chert10,
retch10,
ether8,
there8,
three8,
erect7,
terce7,
4 letter words:
eche9,
echt9,
etch9,
tech9,
here7,
thee7,
cere6,
cete6,
rete4,
tree4,
3 letter words:
eth6,
her6,
het6,
the6,
cee5,
rec5,
ere3,
ree3,
ret3,
tee3,
2 letter words:
eh5,
he5,
er2,
et2,
re2,