5 letter words:
aback13,
tanka9,
4 letter words:
back12,
bank10,
tack10,
kana8,
kata8,
taka8,
tank8,
acta6,
cant6,
anta4,
3 letter words:
kab9,
cab7,
kat7,
aba5,
act5,
baa5,
ban5,
bat5,
can5,
cat5,
nab5,
tab5,
ana3,
ant3,
tan3,
2 letter words:
ka6,
ab4,
ba4,
aa2,
an2,
at2,
na2,
ta2,