5 letter words:
bouse7,
oboes7,
4 letter words:
bios6,
bise6,
boos6,
obes6,
obis6,
oboe6,
3 letter words:
bes5,
bio5,
bis5,
boo5,
bos5,
bus5,
obe5,
obi5,
sib5,
sob5,
sub5,
oes3,
ose3,
sei3,
sou3,
sue3,
use3,
2 letter words:
be4,
bi4,
bo4,
es2,
is2,
oe2,
oi2,
os2,
si2,
so2,
us2,