7 letter words:
zoisite16,
5 letter words:
zitis14,
4 letter words:
size13,
zest13,
ziti13,
zits13,
site4,
ties4,
toes4,
3 letter words:
zit12,
its3,
oes3,
ose3,
sei3,
set3,
sit3,
sot3,
tie3,
tis3,
toe3,
2 letter words:
es2,
et2,
is2,
it2,
oe2,
oi2,
os2,
si2,
so2,
ti2,
to2,