6 letter words:
abacus10,
5 letter words:
aback13,
backs13,
bucks13,
scuba9,
4 letter words:
back12,
buck12,
bask10,
busk10,
cask10,
cusk10,
kabs10,
sack10,
suck10,
auks8,
cabs8,
cubs8,
kaas8,
scab8,
skua8,
abas6,
baas6,
casa6,
suba6,
3 letter words:
kab9,
ask7,
auk7,
cab7,
cub7,
kas7,
ska7,
suk7,
aba5,
abs5,
baa5,
bas5,
bus5,
sab5,
sac5,
sub5,
aas3,
sau3,
2 letter words:
ka6,
ab4,
ba4,
aa2,
as2,
us2,