8 letter words:
rubicund13,
6 letter words:
brucin10,
uncurb10,
5 letter words:
bundu8,
unbid8,
bruin7,
burin7,
incur7,
rubin7,
runic7,
unrid6,
4 letter words:
crib8,
curb8,
bind7,
bird7,
budi7,
bund7,
burd7,
crud7,
curd7,
drib7,
drub7,
duci7,
brin6,
burn6,
curn6,
unci6,
uric6,
durn5,
nurd5,
rind5,
rund5,
ruin4,
3 letter words:
cub7,
bid6,
bud6,
cid6,
cud6,
dib6,
dub6,
bin5,
bru5,
bun5,
bur5,
cru5,
cur5,
nib5,
nub5,
rib5,
rub5,
ruc5,
urb5,
din4,
dui4,
dun4,
nid4,
rid4,
rud4,
urd4,
nur3,
rin3,
run3,
uni3,
urn3,
2 letter words:
bi4,
di3,
id3,
in2,
nu2,
un2,
ur2,
