5 letter words:
bromo9,
broom9,
boron7,
moron7,
morro7,
4 letter words:
boom8,
borm8,
boon6,
boor6,
born6,
broo6,
mono6,
moon6,
moor6,
morn6,
norm6,
room6,
roon4,
3 letter words:
mob7,
bon5,
boo5,
bor5,
bro5,
brr5,
mon5,
moo5,
mor5,
nob5,
nom5,
obo5,
oom5,
orb5,
rob5,
rom5,
noo3,
nor3,
ono3,
oon3,
oor3,
roo3,
2 letter words:
bo4,
mo4,
ob4,
om4,
no2,
on2,
oo2,
or2,