6 letter words:
marrum10,
murmur10,
murram10,
5 letter words:
aurum7,
murra7,
4 letter words:
marm8,
mumu8,
arum6,
mura6,
murr6,
ruru4,
3 letter words:
mam7,
mum7,
umm7,
amu5,
arm5,
mar5,
ram5,
rum5,
umu5,
2 letter words:
mm6,
am4,
ma4,
mu4,
um4,
ar2,
ur2,