4 letter words:
mumm10,
momi8,
limo6,
mill6,
milo6,
moil6,
moll6,
mull6,
lilo4,
lour4,
rill4,
roil4,
roll4,
3 letter words:
mim7,
mom7,
mum7,
umm7,
lum5,
mil5,
mir5,
mol5,
mor5,
rim5,
rom5,
rum5,
ill3,
oil3,
our3,
2 letter words:
mm6,
mi4,
mo4,
mu4,
om4,
um4,
li2,
lo2,
oi2,
or2,