6 letter words:
rubify14,
5 letter words:
kirby14,
firry11,
furry11,
krubi11,
burry10,
4 letter words:
fiky14,
firk11,
kufi11,
yirk11,
birk10,
brik10,
buik10,
burk10,
fury10,
bury9,
frib9,
ruby9,
kuri8,
furr7,
yirr7,
birr6,
burr6,
3 letter words:
kif10,
kyu10,
yuk10,
fry9,
buy8,
fib8,
fub8,
irk7,
kir7,
fir6,
fur6,
rif6,
brr5,
bru5,
bur5,
rib5,
rub5,
urb5,
2 letter words:
ky9,
fy8,
by7,
ki6,
if5,
yu5,
bi4,
ur2,