7 letter words:
caitiff15,
5 letter words:
attic7,
tacit7,
4 letter words:
caff12,
tiff10,
fact9,
fiat7,
tact6,
titi4,
3 letter words:
aff9,
iff9,
aft6,
fat6,
fit6,
act5,
cat5,
tic5,
ait3,
att3,
tat3,
tit3,
2 letter words:
fa5,
if5,
ai2,
at2,
it2,
ta2,
ti2,