5 letter words:
belly10,
billy10,
libel7,
obeli7,
4 letter words:
obey9,
illy7,
lily7,
oily7,
yell7,
yill7,
bell6,
bile6,
bill6,
boil6,
bole6,
boll6,
lobe6,
lilo4,
3 letter words:
bey8,
boy8,
bye8,
yob8,
ley6,
lye6,
bel5,
bio5,
lib5,
lob5,
obe5,
obi5,
ell3,
ill3,
lei3,
lie3,
oil3,
ole3,
2 letter words:
by7,
oy5,
ye5,
yo5,
be4,
bi4,
bo4,
el2,
li2,
lo2,
oe2,
oi2,