7 letter words:
birddog12,
5 letter words:
droid7,
4 letter words:
biog7,
bird7,
brig7,
drib7,
biro6,
brio6,
dido6,
gird6,
grid6,
giro5,
3 letter words:
bid6,
big6,
bod6,
bog6,
dib6,
gib6,
gob6,
bio5,
bro5,
did5,
dig5,
dog5,
gid5,
god5,
obi5,
odd5,
orb5,
rib5,
rob5,
dor4,
gor4,
rid4,
rig4,
rod4,
2 letter words:
bi4,
bo4,
do3,
go3,
id3,
od3,
oi2,
or2,