5 letter words:
zooks18,
orzos14,
rooks9,
sooks9,
4 letter words:
orzo13,
zoos13,
koro8,
kors8,
koss8,
roks8,
rook8,
sook8,
roos4,
3 letter words:
zoo12,
zos12,
kor7,
kos7,
rok7,
oor3,
oos3,
ors3,
roo3,
sos3,
2 letter words:
zo11,
ko6,
oo2,
or2,
os2,
so2,