5 letter words:
bourg8,
4 letter words:
brag7,
burg7,
garb7,
grab7,
grub7,
boar6,
bora6,
bura6,
gaur5,
guar5,
ruga5,
3 letter words:
bag6,
bog6,
bug6,
gab6,
gob6,
abo5,
arb5,
bar5,
boa5,
bra5,
bro5,
bur5,
oba5,
orb5,
rob5,
rub5,
urb5,
ago4,
gar4,
goa4,
gor4,
rag4,
rug4,
oar3,
ora3,
our3,
2 letter words:
ab4,
ba4,
bo4,
ag3,
go3,
ar2,
or2,