5 letter words:
dipso8,
doups8,
updos8,
pious7,
4 letter words:
pips8,
pops8,
pups8,
dips7,
dops7,
doup7,
dups7,
pods7,
puds7,
spod7,
spud7,
updo7,
opus6,
oups6,
piso6,
pois6,
soup6,
duos5,
ouds5,
suid5,
udos5,
3 letter words:
pip7,
pop7,
pup7,
dip6,
dop6,
dup6,
pod6,
pud6,
ops5,
oup5,
pis5,
piu5,
poi5,
pos5,
psi5,
pus5,
sip5,
sop5,
sup5,
upo5,
ups5,
dis4,
dos4,
dso4,
dui4,
duo4,
ids4,
ods4,
oud4,
sod4,
sud4,
udo4,
uds4,
ios3,
iso3,
ous3,
sou3,
sui3,
2 letter words:
op4,
pi4,
po4,
up4,
di3,
do3,
id3,
od3,
io2,
is2,
oi2,
os2,
ou2,
si2,
so2,
us2,