6 letter words:
ocicat10,
5 letter words:
cacao9,
cacti9,
coact9,
coati7,
4 letter words:
caca8,
coca8,
acta6,
ciao6,
coat6,
otic6,
taco6,
iota4,
3 letter words:
act5,
cat5,
cot5,
oca5,
tic5,
ait3,
oat3,
tao3,
2 letter words:
aa2,
ai2,
at2,
it2,
oi2,
ta2,
ti2,
to2,