5 letter words:
pests7,
septs7,
spets7,
steps7,
stept7,
setts5,
stets5,
tests5,
4 letter words:
peps8,
pest6,
pets6,
psst6,
seps6,
sept6,
spet6,
step6,
ests4,
sets4,
sett4,
stet4,
test4,
tets4,
3 letter words:
pep7,
pes5,
pet5,
pst5,
ess3,
est3,
set3,
tes3,
tet3,
2 letter words:
pe4,
es2,
et2,
st2,
te2,