7 letter words:
rubaboo11,
6 letter words:
arbour8,
5 letter words:
bazoo16,
razor14,
cabob11,
baboo9,
carbo9,
carob9,
cobra9,
arbor7,
burro7,
cruor7,
crura7,
4 letter words:
bozo15,
czar15,
orzo13,
ouzo13,
cobb10,
babu8,
barb8,
boob8,
bubo8,
burb8,
carb8,
crab8,
curb8,
arco6,
boar6,
boor6,
bora6,
broo6,
bura6,
burr6,
carr6,
curr6,
orca6,
orra4,
roar4,
3 letter words:
coz14,
azo12,
zoa12,
zoo12,
bob7,
bub7,
cab7,
cob7,
cub7,
abo5,
arb5,
arc5,
bar5,
boa5,
boo5,
bra5,
bro5,
brr5,
bur5,
car5,
coo5,
cor5,
cru5,
cur5,
oba5,
oca5,
orb5,
orc5,
rob5,
roc5,
rub5,
urb5,
oar3,
ora3,
our3,
2 letter words:
za11,
ab4,
ba4,
bo4,
ar2,
or2,