5 letter words:
kombu13,
drouk10,
dumbo10,
rumbo9,
bourd8,
4 letter words:
bork10,
bouk10,
burk10,
murk10,
dork9,
douk9,
dumb9,
kudo9,
borm8,
koru8,
ombu8,
umbo8,
bord7,
brod7,
budo7,
burd7,
dorb7,
dorm7,
doum7,
drub7,
drum7,
roum6,
dour5,
duro5,
3 letter words:
bok9,
kob9,
bum7,
kor7,
mob7,
ouk7,
rok7,
bod6,
bud6,
dob6,
dom6,
dub6,
mod6,
mud6,
bor5,
bro5,
bru5,
bur5,
mor5,
mou5,
orb5,
rob5,
rom5,
rub5,
rum5,
urb5,
dor4,
duo4,
ord4,
oud4,
rod4,
rud4,
udo4,
urd4,
our3,
2 letter words:
ko6,
bo4,
mo4,
mu4,
ob4,
om4,
um4,
do3,
od3,
or2,
ou2,
ur2,