6 letter words:
murmur10,
antrum8,
autumn8,
5 letter words:
aurum7,
murra7,
unarm7,
4 letter words:
mumu8,
arum6,
mart6,
maun6,
maut6,
mura6,
murr6,
tram6,
aunt4,
rant4,
runt4,
tarn4,
tuna4,
turn4,
unau4,
3 letter words:
mum7,
umm7,
amu5,
arm5,
man5,
mar5,
mat5,
mun5,
mut5,
nam5,
ram5,
rum5,
tam5,
ant3,
art3,
nut3,
ran3,
rat3,
run3,
rut3,
tan3,
tar3,
tau3,
tun3,
urn3,
uta3,
2 letter words:
mm6,
am4,
ma4,
mu4,
um4,
an2,
ar2,
at2,
na2,
nu2,
ta2,
un2,
ut2,