5 letter words:
knack15,
baken11,
4 letter words:
keck14,
back12,
beck12,
ekka12,
bake10,
bank10,
beak10,
cake10,
nabk10,
neck10,
banc8,
kane8,
acne6,
ance6,
bane6,
bean6,
cane6,
nabe6,
3 letter words:
kak11,
kab9,
keb9,
ake7,
bac7,
cab7,
kae7,
kea7,
ken7,
nek7,
ace5,
ban5,
ben5,
can5,
nab5,
neb5,
ane3,
ean3,
nae3,
2 letter words:
ka6,
ab4,
ba4,
be4,
ae2,
an2,
ea2,
en2,
na2,
ne2,