5 letter words:
durum8,
ungum8,
undug7,
4 letter words:
drum7,
grum7,
mung7,
drug6,
dung6,
durn5,
gurn5,
guru5,
nurd5,
rund5,
rung5,
3 letter words:
gum6,
mud6,
mug6,
dug5,
mun5,
rum5,
umu5,
dun4,
gnu4,
gun4,
gur4,
rud4,
rug4,
urd4,
nun3,
nur3,
run3,
urn3,
2 letter words:
mu4,
um4,
gu3,
ug3,
nu2,
un2,
ur2,