5 letter words:
bromo9,
broom9,
boron7,
moron7,
morro7,
4 letter words:
boom8,
boon6,
boor6,
born6,
broo6,
mono6,
moon6,
moor6,
morn6,
norm6,
room6,
3 letter words:
mob7,
boo5,
bro5,
brr5,
mon5,
moo5,
mor5,
nob5,
nom5,
orb5,
rob5,
rom5,
noo3,
nor3,
ono3,
2 letter words:
bo4,
mo4,
om4,
no2,
on2,
or2,