6 letter words:
catena8,
5 letter words:
aceta7,
enact7,
tacan7,
antae5,
4 letter words:
acne6,
acta6,
ance6,
cane6,
cant6,
cate6,
cent6,
tace6,
anta4,
ante4,
etna4,
neat4,
tana4,
tane4,
3 letter words:
ace5,
act5,
caa5,
can5,
cat5,
tec5,
ana3,
ane3,
ant3,
ate3,
ean3,
eat3,
eta3,
nae3,
nat3,
net3,
tae3,
tan3,
tea3,
ten3,
2 letter words:
aa2,
ae2,
an2,
at2,
ea2,
en2,
et2,
na2,
ne2,
ta2,
te2,
