6 letter words:
arctan8,
cantar8,
5 letter words:
carat7,
carta7,
tacan7,
antar5,
antra5,
ratan5,
4 letter words:
acta6,
cant6,
carn6,
cart6,
cran6,
narc6,
raca6,
anta4,
arna4,
rana4,
rant4,
rata4,
tana4,
tara4,
tarn4,
3 letter words:
act5,
arc5,
caa5,
can5,
car5,
cat5,
ana3,
ant3,
art3,
nat3,
ran3,
rat3,
tan3,
tar3,
2 letter words:
aa2,
an2,
ar2,
at2,
na2,
ta2,