6 letter words:
ferrum11,
5 letter words:
femur10,
fumer10,
murre7,
4 letter words:
ferm9,
fume9,
furr7,
mure6,
murr6,
rume6,
ruer4,
3 letter words:
fem8,
fum8,
erf6,
fer6,
feu6,
fur6,
ref6,
emu5,
meu5,
rem5,
rum5,
err3,
rue3,
ure3,
2 letter words:
ef5,
fe5,
em4,
me4,
mu4,
um4,
er2,
re2,
ur2,
