6 letter words:
arctic10,
5 letter words:
cacti9,
circa9,
acari7,
carat7,
triac7,
atria5,
raita5,
riata5,
tiara5,
4 letter words:
caca8,
acta6,
cart6,
crit6,
airt4,
aria4,
raia4,
3 letter words:
act5,
arc5,
car5,
cat5,
tic5,
air3,
ait3,
art3,
rai3,
rat3,
ria3,
tar3,
2 letter words:
aa2,
ai2,
ar2,
at2,
it2,
ta2,
ti2,