6 letter words:
banana8,
5 letter words:
anana5,
anata5,
annat5,
tanna5,
4 letter words:
bant6,
anan4,
anna4,
anta4,
naan4,
nana4,
tana4,
3 letter words:
aba5,
baa5,
ban5,
bat5,
nab5,
tab5,
ana3,
ann3,
ant3,
nan3,
nat3,
tan3,
2 letter words:
ab4,
ba4,
aa2,
an2,
at2,
na2,
ta2,