5 letter words:
joker16,
4 letter words:
jeez20,
zerk17,
jerk15,
joke15,
zero13,
jeer11,
kero8,
kore8,
reek8,
reke8,
roke8,
3 letter words:
zek16,
rez12,
zee12,
jee10,
joe10,
jor10,
eek7,
eke7,
erk7,
kor7,
oke7,
rok7,
ere3,
ore3,
ree3,
reo3,
roe3,
2 letter words:
zo11,
jo9,
ko6,
ee2,
er2,
oe2,
or2,
re2,