5 letter words:
baffs13,
buffs13,
4 letter words:
baff12,
buff12,
kafs11,
bask10,
busk10,
kabs10,
fabs9,
fubs9,
auks8,
skua8,
suba6,
3 letter words:
kaf10,
aff9,
kab9,
fab8,
fub8,
ask7,
auk7,
kas7,
ska7,
suk7,
fas6,
abs5,
bas5,
bus5,
sab5,
sub5,
sau3,
2 letter words:
ka6,
fa5,
ab4,
ba4,
as2,
us2,