5 letter words:
chaft13,
fitch13,
faith11,
aitch10,
chiao10,
chota10,
tacho10,
coati7,
4 letter words:
haft10,
chai9,
chao9,
chat9,
chia9,
chit9,
coft9,
coif9,
coth9,
fact9,
fico9,
foci9,
itch9,
tach9,
tich9,
fiat7,
oath7,
ohia7,
thio7,
atoc6,
ciao6,
cito6,
coat6,
coit6,
octa6,
otic6,
taco6,
iota4,
3 letter words:
fah9,
foh9,
ach8,
cha8,
chi8,
hic8,
hoc8,
ich8,
och8,
aft6,
ahi6,
fat6,
fit6,
hao6,
hat6,
hit6,
hoa6,
hoi6,
hot6,
oaf6,
oft6,
tho6,
act5,
cat5,
cit5,
cot5,
oca5,
tic5,
toc5,
ait3,
ita3,
oat3,
tai3,
tao3,
2 letter words:
ch7,
ah5,
fa5,
ha5,
hi5,
ho5,
if5,
of5,
oh5,
ai2,
at2,
io2,
it2,
oi2,
ta2,
ti2,
to2,