5 letter words:
aitch10,
chair10,
chart10,
ratch10,
airth8,
attic7,
tacit7,
tract7,
triac7,
trait5,
4 letter words:
arch9,
chai9,
char9,
chat9,
chia9,
chit9,
itch9,
rich9,
tach9,
hair7,
hart7,
rath7,
tahr7,
that7,
thir7,
cart6,
crit6,
tact6,
airt4,
tart4,
3 letter words:
chi8,
hic8,
ich8,
ahi6,
hat6,
hit6,
rah6,
act5,
arc5,
car5,
cat5,
tic5,
air3,
ait3,
art3,
att3,
rai3,
rat3,
ria3,
tar3,
tat3,
tit3,
2 letter words:
ah5,
ha5,
hi5,
ai2,
ar2,
at2,
it2,
ta2,
ti2,