5 letter words:
testy8,
yetis8,
yetts8,
4 letter words:
stey7,
stye7,
tyes7,
yeti7,
yett7,
sett4,
site4,
stet4,
test4,
tets4,
ties4,
tits4,
3 letter words:
sty6,
tye6,
yes6,
yet6,
its3,
sei3,
set3,
sit3,
tet3,
tie3,
tis3,
tit3,
2 letter words:
ye5,
es2,
et2,
is2,
it2,
si2,
ti2,