6 letter words:
kokers14,
5 letter words:
koker13,
keros9,
kores9,
rokes9,
4 letter words:
keks12,
erks8,
kero8,
kore8,
kors8,
okes8,
roke8,
roks8,
serk8,
skeo8,
sker8,
soke8,
eros4,
ores4,
reos4,
roes4,
rose4,
sore4,
3 letter words:
erk7,
kor7,
kos7,
oke7,
rok7,
ers3,
oes3,
ore3,
ors3,
ose3,
reo3,
res3,
roe3,
ser3,
2 letter words:
ko6,
er2,
es2,
oe2,
or2,
os2,
re2,
so2,