5 letter words:
bests7,
rests5,
setts5,
stets5,
tests5,
tress5,
trets5,
4 letter words:
best6,
bets6,
rebs6,
erst4,
rest4,
rets4,
sers4,
sets4,
sett4,
stet4,
test4,
tets4,
tres4,
tret4,
3 letter words:
bes5,
bet5,
reb5,
ers3,
ess3,
res3,
ret3,
ser3,
set3,
tet3,
2 letter words:
be4,
er2,
es2,
et2,
re2,