5 letter words:
bourg8,
4 letter words:
zobu15,
bowr9,
brow9,
grow8,
brog7,
burg7,
grub7,
3 letter words:
bow8,
wog7,
bog6,
bug6,
gob6,
gub6,
row6,
bor5,
bro5,
bru5,
bur5,
orb5,
rob5,
rub5,
urb5,
gor4,
gur4,
rug4,
our3,
2 letter words:
zo11,
ow5,
wo5,
bo4,
ob4,
go3,
gu3,
ug3,
or2,
ou2,
ur2,