5 letter words:
aitch10,
chiao10,
coati7,
4 letter words:
chai9,
chao9,
chat9,
chia9,
chit9,
itch9,
tach9,
oath7,
ohia7,
thio7,
acta6,
ciao6,
coat6,
otic6,
taco6,
iota4,
3 letter words:
chi8,
hic8,
ich8,
aah6,
aha6,
ahi6,
hao6,
hat6,
hit6,
hot6,
tho6,
act5,
cat5,
cot5,
oca5,
tic5,
ait3,
oat3,
tao3,
2 letter words:
ah5,
ha5,
hi5,
ho5,
oh5,
aa2,
ai2,
at2,
it2,
oi2,
ta2,
ti2,
to2,