4 letter words:
buzz24,
zori13,
bird7,
burd7,
drib7,
drub7,
biro6,
brio6,
dour5,
duro5,
3 letter words:
zuz21,
biz14,
bid6,
bod6,
bud6,
dib6,
dub6,
bio5,
bro5,
bur5,
obi5,
orb5,
rib5,
rob5,
rub5,
urb5,
dor4,
dui4,
duo4,
oud4,
rid4,
rod4,
udo4,
urd4,
our3,
2 letter words:
bi4,
bo4,
do3,
id3,
od3,
oi2,
or2,