7 letter words:
boxroom18,
5 letter words:
bromo9,
broom9,
4 letter words:
boom8,
borm8,
boor6,
broo6,
moor6,
room6,
3 letter words:
box12,
oxo10,
mob7,
boo5,
bor5,
bro5,
moo5,
mor5,
obo5,
oom5,
orb5,
rob5,
rom5,
oor3,
roo3,
2 letter words:
ox9,
bo4,
mo4,
ob4,
om4,
oo2,
or2,