7 letter words:
fetches15,
6 letter words:
thefts12,
etches11,
5 letter words:
chefs13,
fetch13,
hefts11,
theft11,
chest10,
eches10,
feces10,
techs10,
fetes8,
sheet8,
teeth8,
teths8,
these8,
cetes7,
4 letter words:
chef12,
fehs10,
heft10,
eche9,
echt9,
etch9,
tech9,
efts7,
eths7,
fees7,
feet7,
fest7,
fete7,
fets7,
hest7,
hets7,
teth7,
thee7,
cees6,
cete6,
sect6,
sett4,
stet4,
tees4,
test4,
tets4,
3 letter words:
feh9,
efs6,
eft6,
eth6,
fee6,
fes6,
fet6,
hes6,
het6,
she6,
the6,
cee5,
sec5,
see3,
set3,
tee3,
tet3,
2 letter words:
ef5,
eh5,
fe5,
he5,
sh5,
es2,
et2,