5 letter words:
backs13,
bucks13,
basic9,
scuba9,
4 letter words:
back12,
buck12,
bask10,
bisk10,
busk10,
cask10,
cusk10,
kabs10,
sack10,
sick10,
suck10,
auks8,
cabs8,
cubs8,
saki8,
scab8,
sika8,
skua8,
asci6,
bias6,
isba6,
suba6,
3 letter words:
ick9,
kab9,
ask7,
auk7,
cab7,
cub7,
kas7,
kis7,
ska7,
ski7,
suk7,
abs5,
bas5,
bis5,
bus5,
cis5,
sab5,
sac5,
sib5,
sic5,
sub5,
ais3,
sau3,
2 letter words:
ka6,
ki6,
ab4,
ba4,
bi4,
ai2,
as2,
is2,
si2,
us2,