9 letter words:
autotoxin16,
5 letter words:
auxin12,
axion12,
taxon12,
toxin12,
taint5,
tanto5,
taunt5,
tauon5,
titan5,
4 letter words:
axon11,
taxi11,
anti4,
aunt4,
auto4,
into4,
iota4,
naoi4,
nota4,
onto4,
otto4,
tain4,
taut4,
tint4,
toit4,
toon4,
toot4,
tout4,
tuna4,
unai4,
unit4,
unto4,
3 letter words:
nix10,
oxo10,
tax10,
tux10,
ain3,
ait3,
ani3,
ant3,
att3,
ion3,
nit3,
noo3,
not3,
nut3,
oat3,
ono3,
oot3,
out3,
tan3,
tao3,
tat3,
tau3,
tin3,
tit3,
ton3,
too3,
tot3,
tui3,
tun3,
tut3,
uta3,
2 letter words:
ax9,
ox9,
xi9,
xu9,
ai2,
an2,
at2,
in2,
it2,
na2,
no2,
nu2,
oi2,
on2,
ta2,
ti2,
to2,
un2,
ut2,