6 letter words:
boulle8,
lobule8,
5 letter words:
belle7,
boule7,
4 letter words:
bell6,
blee6,
blue6,
bole6,
boll6,
bull6,
lobe6,
lube6,
3 letter words:
bee5,
bel5,
lob5,
obe5,
eel3,
ell3,
lee3,
leu3,
lou3,
ole3,
ule3,
2 letter words:
be4,
bo4,
ob4,
ee2,
el2,
lo2,
oe2,
ou2,