5 letter words:
durzi15,
kirby14,
krubi11,
4 letter words:
yirk11,
birk10,
brik10,
buik10,
burk10,
bury9,
dirk9,
ruby9,
kuri8,
urdy8,
yird8,
bird7,
budi7,
burd7,
drib7,
drub7,
3 letter words:
biz14,
riz12,
kyu10,
yuk10,
buy8,
kid8,
dry7,
irk7,
kir7,
yid7,
bid6,
bud6,
dib6,
dub6,
bru5,
bur5,
rib5,
rub5,
urb5,
dui4,
rid4,
rud4,
urd4,
2 letter words:
ky9,
by7,
ki6,
yu5,
bi4,
di3,
id3,
ur2,