5 letter words:
borgo8,
4 letter words:
bowr9,
brow9,
grow8,
brog7,
gobo7,
boor6,
broo6,
goor5,
3 letter words:
bow8,
wog7,
bog6,
gob6,
row6,
woo6,
boo5,
bor5,
bro5,
obo5,
orb5,
rob5,
goo4,
gor4,
oor3,
roo3,
2 letter words:
ow5,
wo5,
bo4,
ob4,
go3,
oo2,
or2,