8 letter words:
muirburn12,
6 letter words:
murrin8,
5 letter words:
bruin7,
burin7,
murri7,
rubin7,
4 letter words:
brim8,
nimb8,
numb8,
birr6,
brin6,
burn6,
burr6,
muir6,
muni6,
murr6,
rimu6,
nurr4,
ruin4,
ruru4,
3 letter words:
bum7,
mib7,
bin5,
brr5,
bru5,
bun5,
bur5,
mir5,
mun5,
nib5,
nim5,
nub5,
rib5,
rim5,
rub5,
rum5,
umu5,
urb5,
nur3,
rin3,
run3,
uni3,
urn3,
2 letter words:
bi4,
mi4,
mu4,
um4,
in2,
nu2,
un2,
ur2,
