5 letter words:
chaft13,
fitch13,
faith11,
aitch10,
4 letter words:
haft10,
chai9,
chat9,
chia9,
chit9,
fact9,
itch9,
tach9,
tich9,
fiat7,
3 letter words:
fah9,
ach8,
cha8,
chi8,
hic8,
ich8,
aft6,
ahi6,
fat6,
fit6,
hat6,
hit6,
act5,
cat5,
cit5,
tic5,
ait3,
ita3,
tai3,
2 letter words:
ch7,
ah5,
fa5,
ha5,
hi5,
if5,
ai2,
at2,
it2,
ta2,
ti2,