5 letter words:
iotas5,
ostia5,
stoai5,
4 letter words:
zits13,
zoos13,
aits4,
iota4,
oast4,
oats4,
oots4,
sati4,
soot4,
stoa4,
taos4,
3 letter words:
azo12,
zas12,
zit12,
zoa12,
zoo12,
ais3,
ait3,
its3,
oat3,
oot3,
sat3,
sit3,
sot3,
tao3,
tas3,
tis3,
too3,
2 letter words:
za11,
ai2,
as2,
at2,
is2,
it2,
oi2,
os2,
si2,
so2,
ta2,
ti2,
to2,