5 letter words:
koker13,
kokra13,
oaker9,
4 letter words:
zerk17,
raze13,
zero13,
zoea13,
ekka12,
kark12,
karo8,
kero8,
kora8,
kore8,
okra8,
rake8,
reak8,
roke8,
aero4,
3 letter words:
zek16,
azo12,
rez12,
zea12,
zoa12,
kak11,
ake7,
ark7,
erk7,
kae7,
kea7,
koa7,
kor7,
oak7,
oka7,
oke7,
rok7,
are3,
ear3,
era3,
oar3,
ora3,
ore3,
reo3,
roe3,
2 letter words:
za11,
zo11,
ka6,
ko6,
ae2,
ar2,
ea2,
er2,
oe2,
or2,
re2,