5 letter words:
boaks11,
bokos11,
books11,
kobos11,
4 letter words:
bask10,
boak10,
boko10,
boks10,
book10,
bosk10,
kabs10,
kobo10,
kobs10,
koas8,
oaks8,
okas8,
soak8,
sook8,
abos6,
boas6,
boos6,
obas6,
obos6,
soba6,
3 letter words:
bok9,
kab9,
kob9,
ask7,
kas7,
koa7,
kos7,
oak7,
oka7,
ska7,
abo5,
abs5,
bas5,
boa5,
boo5,
bos5,
oba5,
obo5,
obs5,
sab5,
sob5,
oos3,
2 letter words:
ka6,
ko6,
ab4,
ba4,
bo4,
ob4,
as2,
oo2,
os2,
so2,