5 letter words:
fixit15,
ixias12,
taxis12,
fiats8,
visit8,
vista8,
4 letter words:
fixt14,
axis11,
ixia11,
taxi11,
fast7,
fats7,
fiat7,
fist7,
fits7,
sift7,
tavs7,
vast7,
vats7,
visa7,
vita7,
aits4,
sati4,
3 letter words:
fax13,
fix13,
sax10,
six10,
tax10,
xis10,
aft6,
fas6,
fat6,
fit6,
ifs6,
tav6,
vas6,
vat6,
via6,
vis6,
ais3,
ait3,
its3,
sat3,
sit3,
tas3,
tis3,
2 letter words:
ax9,
xi9,
fa5,
if5,
ai2,
as2,
at2,
is2,
it2,
si2,
ta2,
ti2,