7 letter words:
upprops13,
6 letter words:
upprop12,
5 letter words:
props9,
pours7,
roups7,
4 letter words:
pops8,
prop8,
pups8,
opus6,
pour6,
pros6,
purs6,
roup6,
soup6,
spur6,
urps6,
ours4,
sour4,
3 letter words:
pop7,
pup7,
ops5,
pro5,
pur5,
pus5,
sop5,
sup5,
upo5,
ups5,
urp5,
ors3,
our3,
sou3,
2 letter words:
op4,
up4,
or2,
os2,
so2,
us2,
