5 letter words:
dukka14,
durra6,
radar6,
aurar5,
4 letter words:
kaka12,
kark12,
dark9,
duka9,
arak8,
kara8,
raku8,
rark8,
daur5,
duar5,
dura5,
durr5,
arar4,
aura4,
3 letter words:
kak11,
dak8,
aka7,
ark7,
auk7,
ard4,
rad4,
rud4,
urd4,
aua3,
2 letter words:
ka6,
ad3,
da3,
aa2,
ar2,
ur2,