4 letter words:
coth9,
eche9,
echo9,
echt9,
eech9,
etch9,
oche9,
tech9,
ethe7,
hete7,
hote7,
thee7,
cete6,
cote6,
3 letter words:
che8,
ech8,
hoc8,
och8,
eth6,
het6,
hoe6,
hot6,
the6,
tho6,
cee5,
cot5,
eco5,
tec5,
toc5,
tee3,
toe3,
2 letter words:
ch7,
eh5,
he5,
ho5,
oh5,
ee2,
et2,
oe2,
te2,
to2,