5 letter words:
kebob13,
broke11,
burke11,
4 letter words:
berk10,
bork10,
kerb10,
bubo8,
burb8,
kore8,
bore6,
robe6,
rube6,
euro4,
roue4,
3 letter words:
kob9,
bob7,
bub7,
ebb7,
kor7,
kue7,
oke7,
uke7,
bro5,
bur5,
obe5,
orb5,
reb5,
rob5,
rub5,
urb5,
ore3,
our3,
roe3,
rue3,
2 letter words:
be4,
bo4,
er2,
oe2,
or2,
re2,