7 letter words:
iridium10,
5 letter words:
mudir8,
murid8,
4 letter words:
drum7,
imid7,
midi7,
muid7,
miri6,
muir6,
rimu6,
irid5,
3 letter words:
dim6,
mid6,
mud6,
mir5,
rim5,
rum5,
dui4,
rid4,
rud4,
urd4,
2 letter words:
mi4,
mu4,
um4,
di3,
id3,
ur2,