5 letter words:
rhomb12,
bromo9,
broom9,
4 letter words:
boho9,
booh9,
hobo9,
homo9,
mohr9,
boom8,
borm8,
boor6,
broo6,
moor6,
room6,
3 letter words:
boh8,
hob8,
hom8,
mho8,
ohm8,
mob7,
hoo6,
oho6,
ooh6,
rho6,
boo5,
bor5,
bro5,
moo5,
mor5,
obo5,
oom5,
orb5,
rob5,
rom5,
oor3,
roo3,
2 letter words:
hm7,
ho5,
oh5,
bo4,
mo4,
ob4,
om4,
oo2,
or2,