5 letter words:
doups8,
updos8,
4 letter words:
dops7,
doup7,
dups7,
pods7,
puds7,
spod7,
spud7,
updo7,
opus6,
oups6,
soup6,
duos5,
ouds5,
udos5,
3 letter words:
dop6,
dup6,
pod6,
pud6,
ops5,
oup5,
pos5,
pus5,
sop5,
sup5,
upo5,
ups5,
dos4,
dso4,
duo4,
ods4,
oud4,
sod4,
sud4,
udo4,
uds4,
ous3,
sou3,
2 letter words:
op4,
po4,
up4,
do3,
od3,
os2,
ou2,
so2,
us2,