6 letter words:
spooks12,
5 letter words:
bokos11,
books11,
bosks11,
kobos11,
pooks11,
spook11,
sooks9,
soops7,
4 letter words:
boko10,
boks10,
book10,
bosk10,
kobo10,
kobs10,
kops10,
pook10,
bops8,
koss8,
sook8,
boos6,
boss6,
obos6,
oops6,
poos6,
poss6,
sobs6,
soop6,
sops6,
3 letter words:
bok9,
kob9,
kop9,
bop7,
kos7,
boo5,
bos5,
obo5,
obs5,
oop5,
ops5,
poo5,
pos5,
sob5,
sop5,
oos3,
sos3,
2 letter words:
ko6,
bo4,
ob4,
op4,
po4,
oo2,
os2,
so2,