5 letter words:
obese7,
4 letter words:
bees6,
bios6,
bise6,
bois6,
obes6,
obis6,
3 letter words:
bee5,
bes5,
bio5,
bis5,
boi5,
bos5,
obe5,
obi5,
obs5,
sib5,
sob5,
ios3,
iso3,
oes3,
ose3,
see3,
sei3,
2 letter words:
be4,
bi4,
bo4,
ob4,
ee2,
es2,
io2,
is2,
oe2,
oi2,
os2,
si2,
so2,