5 letter words:
poise7,
4 letter words:
bops8,
bios6,
bise6,
epos6,
ibis6,
obes6,
obis6,
opes6,
peso6,
pies6,
piso6,
pois6,
pose6,
sipe6,
3 letter words:
bop7,
bes5,
bio5,
bis5,
bos5,
obe5,
obi5,
ope5,
ops5,
pes5,
pie5,
pis5,
poi5,
psi5,
sib5,
sip5,
sob5,
sop5,
oes3,
ose3,
sei3,
2 letter words:
be4,
bi4,
bo4,
op4,
pe4,
pi4,
es2,
is2,
oe2,
oi2,
os2,
si2,
so2,