5 letter words:
avast8,
vista8,
4 letter words:
tavs7,
vasa7,
vast7,
vats7,
visa7,
vita7,
aits4,
sati4,
3 letter words:
ava6,
tav6,
vas6,
vat6,
via6,
vis6,
aas3,
ais3,
ait3,
its3,
sat3,
sit3,
tas3,
tis3,
2 letter words:
aa2,
ai2,
as2,
at2,
is2,
it2,
si2,
ta2,
ti2,