5 letter words:
ungum8,
4 letter words:
murk10,
gunk9,
knur8,
kuru8,
mumu8,
grum7,
mung7,
gurn5,
guru5,
rung5,
3 letter words:
mum7,
umm7,
gum6,
mug6,
mun5,
rum5,
umu5,
gnu4,
gun4,
gur4,
rug4,
nur3,
run3,
urn3,
2 letter words:
mm6,
mu4,
um4,
gu3,
ug3,
nu2,
un2,
ur2,