7 letter words:
murrine9,
6 letter words:
erbium10,
imbrue10,
number10,
briner8,
burier8,
burner8,
burnie8,
murein8,
murine8,
rubier8,
ruiner6,
5 letter words:
brume9,
imbue9,
umber9,
biner7,
brier7,
brine7,
bruin7,
burin7,
miner7,
murre7,
rimer7,
rumen7,
inure5,
rerun5,
urine5,
4 letter words:
berm8,
brim8,
numb8,
bier6,
bine6,
birr6,
bren6,
brie6,
brin6,
burn6,
burr6,
emir6,
menu6,
mien6,
mine6,
mire6,
muni6,
mure6,
murr6,
neum6,
rime6,
rube6,
unbe6,
rein4,
ruer4,
ruin4,
rune4,
3 letter words:
bum7,
mib7,
ben5,
bin5,
brr5,
bun5,
bur5,
emu5,
men5,
mir5,
mun5,
neb5,
nib5,
nim5,
nub5,
reb5,
rem5,
rib5,
rim5,
rub5,
rum5,
urb5,
ern3,
err3,
ire3,
rei3,
rin3,
rue3,
run3,
urn3,
2 letter words:
be4,
bi4,
em4,
me4,
mi4,
mu4,
um4,
en2,
er2,
in2,
ne2,
nu2,
re2,
un2,