5 letter words:
belon7,
noble7,
obole7,
4 letter words:
bole6,
bolo6,
bone6,
bool6,
boon6,
ebon6,
lobe6,
lobo6,
oboe6,
obol6,
enol4,
leno4,
lone4,
loon4,
noel4,
nole4,
nolo4,
oleo4,
3 letter words:
bel5,
ben5,
bon5,
boo5,
lob5,
neb5,
nob5,
obe5,
obo5,
eon3,
loo3,
noo3,
ole3,
one3,
ono3,
oon3,
2 letter words:
be4,
bo4,
ob4,
el2,
en2,
lo2,
ne2,
no2,
oe2,
on2,
oo2,