5 letter words:
books11,
kobos11,
4 letter words:
woks11,
bask10,
book10,
bosk10,
kabs10,
kobo10,
kobs10,
bows9,
swab9,
swob9,
wabs9,
koas8,
oaks8,
okas8,
soak8,
sook8,
woos7,
abos6,
boas6,
boos6,
obas6,
soba6,
3 letter words:
wok10,
kab9,
kob9,
bow8,
wab8,
ask7,
kas7,
koa7,
kos7,
oak7,
oka7,
ska7,
saw6,
sow6,
was6,
woo6,
wos6,
abo5,
abs5,
bas5,
boa5,
boo5,
bos5,
oba5,
sab5,
sob5,
2 letter words:
ka6,
aw5,
ow5,
wo5,
ab4,
ba4,
bo4,
as2,
os2,
so2,