5 letter words:
zerks18,
zeros14,
4 letter words:
zeks17,
zerk17,
zero13,
kore8,
kors8,
okes8,
soke8,
eros4,
ores4,
roes4,
rose4,
sore4,
3 letter words:
zek16,
kor7,
kos7,
oke7,
ers3,
oes3,
ore3,
ors3,
ose3,
res3,
roe3,
ser3,
2 letter words:
er2,
es2,
oe2,
or2,
os2,
re2,
so2,