4 letter words:
kero8,
kore8,
koru8,
reek8,
reke8,
roke8,
euro4,
roue4,
3 letter words:
eek7,
eke7,
erk7,
euk7,
kor7,
kue7,
oke7,
ouk7,
rok7,
uke7,
ere3,
ore3,
our3,
ree3,
reo3,
roe3,
rue3,
ure3,
2 letter words:
ko6,
ee2,
er2,
oe2,
or2,
ou2,
re2,
ur2,