6 letter words:
krubis12,
5 letter words:
birks11,
briks11,
brisk11,
brusk11,
buiks11,
burks11,
krubi11,
kuris9,
4 letter words:
birk10,
bisk10,
brik10,
buik10,
burk10,
busk10,
irks8,
kirs8,
kris8,
kuri8,
risk8,
rusk8,
bris6,
brus6,
burs6,
ribs6,
rubs6,
urbs6,
3 letter words:
irk7,
kir7,
kis7,
sik7,
ski7,
suk7,
bis5,
bru5,
bur5,
bus5,
rib5,
rub5,
sib5,
sub5,
urb5,
sir3,
sri3,
sui3,
sur3,
2 letter words:
ki6,
bi4,
is2,
si2,
ur2,
us2,
