6 letter words:
spooks12,
5 letter words:
pooks11,
spook11,
sooks9,
soops7,
4 letter words:
kops10,
pook10,
koss8,
sook8,
oops6,
poos6,
poss6,
soop6,
sops6,
3 letter words:
kop9,
kos7,
oop5,
ops5,
poo5,
pos5,
sop5,
oos3,
sos3,
2 letter words:
ko6,
op4,
po4,
oo2,
os2,
so2,
