7 letter words:
mooning10,
6 letter words:
gnomon9,
mignon9,
mooing9,
gonion7,
5 letter words:
mongo8,
nomoi7,
onion5,
4 letter words:
mono6,
moon6,
goon5,
noon4,
3 letter words:
mig6,
mog6,
mon5,
moo5,
nim5,
nom5,
gin4,
goo4,
nog4,
inn3,
ion3,
noo3,
ono3,
2 letter words:
mi4,
mo4,
om4,
go3,
in2,
no2,
oi2,
on2,