6 letter words:
trests6,
5 letter words:
rests5,
setts5,
stets5,
terts5,
tests5,
tress5,
trest5,
trets5,
4 letter words:
erst4,
ests4,
rest4,
rets4,
sers4,
sets4,
sett4,
stet4,
test4,
tets4,
tres4,
tret4,
3 letter words:
ers3,
ess3,
est3,
res3,
ret3,
ser3,
set3,
tes3,
tet3,
2 letter words:
er2,
es2,
et2,
re2,
st2,
te2,