5 letter words:
boons7,
boson7,
4 letter words:
boon6,
boos6,
nobs6,
obos6,
snob6,
onos4,
oons4,
soon4,
3 letter words:
bon5,
boo5,
bos5,
nob5,
obo5,
obs5,
sob5,
noo3,
nos3,
ono3,
ons3,
oon3,
oos3,
son3,
2 letter words:
bo4,
ob4,
no2,
on2,
oo2,
os2,
so2,