7 letter words:
checker18,
recheck18,
6 letter words:
creche13,
etcher11,
5 letter words:
check16,
cheek14,
keech14,
ketch14,
theek12,
creek11,
treck11,
cheer10,
chere10,
chert10,
reech10,
retch10,
recce9,
terek9,
ether8,
there8,
three8,
erect7,
terce7,
4 letter words:
heck13,
khet11,
reck10,
cher9,
eche9,
echt9,
eech9,
etch9,
tech9,
ecce8,
keet8,
kete8,
reek8,
reke8,
teek8,
trek8,
ethe7,
here7,
hete7,
tehr7,
thee7,
cere6,
cert6,
cete6,
cree6,
rete4,
teer4,
tree4,
3 letter words:
che8,
ech8,
eek7,
eke7,
erk7,
ket7,
eth6,
her6,
het6,
reh6,
the6,
cee5,
rec5,
tec5,
ere3,
ree3,
ret3,
tee3,
2 letter words:
ch7,
eh5,
he5,
ee2,
er2,
et2,
re2,
te2,