5 letter words:
bocks13,
bokos11,
books11,
cooks11,
kobos11,
socko11,
4 letter words:
bock12,
boko10,
boks10,
book10,
bosk10,
cook10,
kobo10,
kobs10,
sock10,
cobs8,
sook8,
boos6,
coos6,
obos6,
3 letter words:
bok9,
kob9,
cob7,
kos7,
boo5,
bos5,
coo5,
cos5,
obo5,
obs5,
sob5,
soc5,
oos3,
2 letter words:
ko6,
bo4,
ob4,
oo2,
os2,
so2,