6 letter words:
cooker12,
recook12,
5 letter words:
jocko18,
joker16,
crook11,
ocker11,
cooer7,
4 letter words:
jock17,
jerk15,
joke15,
keck14,
kook12,
coke10,
cook10,
cork10,
reck10,
rock10,
kore8,
rook8,
cero6,
core6,
3 letter words:
joe10,
kor7,
oke7,
coo5,
cor5,
orc5,
rec5,
roc5,
ore3,
roe3,
2 letter words:
jo9,
er2,
oe2,
or2,
re2,