5 letter words:
kooks13,
rooks9,
roose5,
4 letter words:
kook12,
kore8,
kors8,
okes8,
rook8,
soke8,
sook8,
eros4,
ores4,
roes4,
rose4,
sore4,
3 letter words:
kor7,
kos7,
oke7,
ers3,
oes3,
ore3,
ors3,
ose3,
res3,
roe3,
ser3,
2 letter words:
er2,
es2,
oe2,
or2,
os2,
re2,
so2,