5 letter words:
drouk10,
4 letter words:
dork9,
douk9,
kudo9,
kudu9,
koru8,
kuru8,
rudd6,
dour5,
duro5,
3 letter words:
kor7,
ouk7,
rok7,
dod5,
dud5,
odd5,
dor4,
duo4,
ord4,
oud4,
rod4,
rud4,
udo4,
urd4,
our3,
2 letter words:
ko6,
do3,
od3,
or2,
ou2,
ur2,