6 letter words:
catena8,
5 letter words:
abate7,
aceta7,
enact7,
antae5,
4 letter words:
abet6,
acne6,
acta6,
bane6,
bate6,
bean6,
beat6,
bent6,
beta6,
cane6,
cant6,
cate6,
cent6,
nabe6,
tace6,
anta4,
ante4,
etna4,
neat4,
3 letter words:
cab7,
aba5,
ace5,
act5,
baa5,
ban5,
bat5,
ben5,
bet5,
can5,
cat5,
nab5,
neb5,
tab5,
ana3,
ane3,
ant3,
ate3,
eat3,
eta3,
nae3,
net3,
tae3,
tan3,
tea3,
ten3,
2 letter words:
ab4,
ba4,
be4,
aa2,
ae2,
an2,
at2,
en2,
et2,
na2,
ne2,
ta2,