6 letter words:
crozer17,
corker12,
recork12,
rocker12,
5 letter words:
croze16,
ocker11,
roker9,
corer7,
crore7,
4 letter words:
zerk17,
coze15,
zero13,
coke10,
cork10,
reck10,
rock10,
kero8,
kore8,
roke8,
cero6,
core6,
rore4,
3 letter words:
zek16,
coz14,
rez12,
erk7,
kor7,
oke7,
rok7,
cor5,
eco5,
orc5,
rec5,
roc5,
err3,
ore3,
reo3,
roe3,
2 letter words:
zo11,
ko6,
er2,
oe2,
or2,
re2,