7 letter words:
triarch12,
6 letter words:
tricar8,
5 letter words:
aitch10,
chair10,
charr10,
chart10,
chirr10,
chirt10,
crith10,
ratch10,
richt10,
airth8,
artic7,
triac7,
4 letter words:
arch9,
chai9,
char9,
chat9,
chia9,
chit9,
itch9,
rach9,
rich9,
tach9,
tich9,
hair7,
hart7,
rath7,
tahr7,
thar7,
thir7,
carr6,
cart6,
crit6,
airt4,
arti4,
rait4,
tiar4,
tirr4,
3 letter words:
ach8,
cha8,
chi8,
hic8,
ich8,
ahi6,
hat6,
hit6,
rah6,
act5,
arc5,
car5,
cat5,
cit5,
tic5,
air3,
ait3,
art3,
ita3,
rai3,
rat3,
ria3,
rit3,
tai3,
tar3,
2 letter words:
ch7,
ah5,
ha5,
hi5,
ai2,
ar2,
at2,
it2,
ta2,
ti2,