6 letter words:
checks17,
sketch15,
trecks12,
cherts11,
5 letter words:
check16,
hecks14,
ketch14,
khets12,
recks11,
treck11,
chert10,
chest10,
retch10,
techs10,
treks9,
tehrs8,
certs7,
crest7,
4 letter words:
heck13,
kesh11,
khet11,
reck10,
cher9,
echt9,
etch9,
sech9,
tech9,
erks8,
kest8,
kets8,
sekt8,
serk8,
sker8,
sket8,
trek8,
eths7,
hers7,
hest7,
hets7,
rehs7,
resh7,
shet7,
tehr7,
cert6,
recs6,
sect6,
tecs6,
erst4,
rest4,
rets4,
tres4,
3 letter words:
che8,
ech8,
erk7,
ket7,
tsk7,
ehs6,
eth6,
her6,
hes6,
het6,
reh6,
she6,
the6,
rec5,
sec5,
tec5,
ers3,
est3,
res3,
ret3,
ser3,
set3,
tes3,
2 letter words:
ch7,
eh5,
he5,
sh5,
er2,
es2,
et2,
re2,
st2,
te2,