5 letter words:
chaft13,
chota10,
tacho10,
4 letter words:
haft10,
chao9,
chat9,
coft9,
coth9,
fact9,
tach9,
oath7,
atoc6,
coat6,
octa6,
taco6,
3 letter words:
fah9,
foh9,
ach8,
cha8,
hoc8,
och8,
aft6,
fat6,
hao6,
hat6,
hoa6,
hot6,
oaf6,
oft6,
tho6,
act5,
cat5,
cot5,
oca5,
toc5,
oat3,
tao3,
2 letter words:
ch7,
ah5,
fa5,
ha5,
ho5,
of5,
oh5,
at2,
ta2,
to2,