6 letter words:
sheets9,
theses9,
sestet6,
testes6,
tsetse6,
5 letter words:
hests8,
sheet8,
teeth8,
teths8,
these8,
setts5,
stets5,
tests5,
4 letter words:
eths7,
hest7,
hets7,
shes7,
teth7,
thee7,
eses4,
sees4,
sets4,
sett4,
stet4,
tees4,
test4,
tets4,
3 letter words:
eth6,
hes6,
het6,
she6,
the6,
ess3,
see3,
set3,
tee3,
tet3,
2 letter words:
eh5,
he5,
sh5,
es2,
et2,