5 letter words:
chart10,
ratch10,
tract7,
4 letter words:
arch9,
char9,
chat9,
rach9,
tach9,
hart7,
rath7,
tahr7,
tath7,
thar7,
that7,
cart6,
tact6,
tart4,
trat4,
3 letter words:
ach8,
cha8,
hat6,
rah6,
act5,
arc5,
car5,
cat5,
art3,
att3,
rat3,
tar3,
tat3,
2 letter words:
ch7,
ah5,
ha5,
ar2,
at2,
ta2,