9 letter words:
bombproof20,
5 letter words:
bombo11,
proof10,
bromo9,
broom9,
promo9,
4 letter words:
bomb10,
forb9,
form9,
from9,
mofo9,
poof9,
prof9,
boob8,
boom8,
borm8,
moop8,
pomo8,
prob8,
prom8,
romp8,
roof7,
boor6,
broo6,
moor6,
poor6,
proo6,
room6,
roop6,
3 letter words:
fob8,
fop8,
bob7,
bop7,
mob7,
mop7,
pom7,
for6,
fro6,
oof6,
orf6,
boo5,
bor5,
bro5,
moo5,
mor5,
obo5,
oom5,
oop5,
orb5,
poo5,
pro5,
rob5,
rom5,
oor3,
roo3,
2 letter words:
of5,
bo4,
mo4,
ob4,
om4,
op4,
po4,
oo2,
or2,