5 letter words:
boric9,
courb9,
curio7,
oribi7,
4 letter words:
zobu15,
zoic15,
zori13,
crib8,
curb8,
biro6,
brio6,
coir6,
cour6,
uric6,
3 letter words:
biz14,
coz14,
cuz14,
riz12,
cob7,
cub7,
bio5,
boi5,
bor5,
bro5,
bru5,
bur5,
cor5,
cru5,
cur5,
obi5,
orb5,
orc5,
rib5,
rob5,
roc5,
rub5,
ruc5,
urb5,
our3,
2 letter words:
zo11,
bi4,
bo4,
ob4,
io2,
oi2,
or2,
ou2,
ur2,