4 letter words:
epos6,
opes6,
opus6,
oups6,
peso6,
pose6,
soup6,
spue6,
supe6,
3 letter words:
ope5,
ops5,
oup5,
pes5,
pos5,
pus5,
sop5,
sup5,
upo5,
ups5,
oes3,
ose3,
ous3,
sou3,
sue3,
use3,
2 letter words:
op4,
pe4,
po4,
up4,
es2,
oe2,
os2,
ou2,
so2,
us2,