6 letter words:
dorbug10,
5 letter words:
bourd8,
bourg8,
gourd7,
4 letter words:
bord7,
brod7,
brog7,
budo7,
burd7,
burg7,
dorb7,
drub7,
grub7,
drug6,
dour5,
duro5,
3 letter words:
bod6,
bog6,
bud6,
bug6,
dob6,
dub6,
gob6,
gub6,
bor5,
bro5,
bru5,
bur5,
dog5,
dug5,
god5,
orb5,
rob5,
rub5,
urb5,
dor4,
duo4,
gor4,
gur4,
ord4,
oud4,
rod4,
rud4,
rug4,
udo4,
urd4,
our3,
2 letter words:
bo4,
ob4,
do3,
go3,
gu3,
od3,
ug3,
or2,
ou2,
ur2,
