5 letter words:
carts7,
scart7,
4 letter words:
acts6,
arcs6,
cars6,
cart6,
cast6,
cats6,
scar6,
scat6,
arts4,
rats4,
star4,
tars4,
tsar4,
3 letter words:
act5,
arc5,
car5,
cat5,
sac5,
ars3,
art3,
ras3,
rat3,
sat3,
tar3,
tas3,
2 letter words:
ar2,
as2,
at2,
ta2,