6 letter words:
ocicat10,
5 letter words:
cacti9,
coact9,
ticca9,
coati7,
4 letter words:
coca8,
atoc6,
ciao6,
cito6,
coat6,
coit6,
octa6,
otic6,
taco6,
iota4,
3 letter words:
act5,
cat5,
cit5,
cot5,
oca5,
tic5,
toc5,
ait3,
ita3,
oat3,
tai3,
tao3,
2 letter words:
ai2,
at2,
io2,
it2,
oi2,
ta2,
ti2,
to2,