9 letter words:
nictitant11,
8 letter words:
incitant10,
7 letter words:
titanic9,
6 letter words:
incant8,
intact8,
niacin8,
tannic8,
titian6,
5 letter words:
acini7,
actin7,
antic7,
attic7,
tacit7,
tinct7,
taint5,
titan5,
4 letter words:
cain6,
cant6,
tact6,
anti4,
inia4,
inti4,
tain4,
tint4,
titi4,
3 letter words:
act5,
can5,
cat5,
tic5,
ain3,
ait3,
ani3,
ant3,
att3,
inn3,
nan3,
nit3,
tan3,
tat3,
tin3,
tit3,
2 letter words:
ai2,
an2,
at2,
in2,
it2,
na2,
ta2,
ti2,