5 letter words:
boors7,
broos7,
sorbo7,
4 letter words:
boor6,
boos6,
bors6,
broo6,
bros6,
obos6,
orbs6,
robs6,
sorb6,
roos4,
3 letter words:
boo5,
bor5,
bos5,
bro5,
obo5,
obs5,
orb5,
rob5,
sob5,
oor3,
oos3,
ors3,
roo3,
2 letter words:
bo4,
ob4,
oo2,
or2,
os2,
so2,
