7 letter words:
karaoke15,
5 letter words:
koker13,
kokra13,
oaker9,
4 letter words:
ekka12,
kaka12,
kark12,
arak8,
kara8,
karo8,
kero8,
kora8,
kore8,
okra8,
rake8,
reak8,
roke8,
aero4,
area4,
3 letter words:
kak11,
aka7,
ake7,
ark7,
erk7,
kae7,
kea7,
koa7,
kor7,
oak7,
oka7,
oke7,
rok7,
are3,
ear3,
era3,
oar3,
ora3,
ore3,
reo3,
roe3,
2 letter words:
ka6,
ko6,
aa2,
ae2,
ar2,
ea2,
er2,
oe2,
or2,
re2,