6 letter words:
ocicat10,
5 letter words:
cacti9,
coact9,
coati7,
4 letter words:
coft9,
coif9,
fact9,
fico9,
foci9,
coca8,
fiat7,
ciao6,
coat6,
otic6,
taco6,
iota4,
3 letter words:
aft6,
fat6,
fit6,
oaf6,
oft6,
act5,
cat5,
cot5,
oca5,
tic5,
ait3,
oat3,
tao3,
2 letter words:
fa5,
if5,
of5,
ai2,
at2,
it2,
oi2,
ta2,
ti2,
to2,