9 letter words:
soupspoon13,
6 letter words:
snoops8,
spoons8,
5 letter words:
oppos9,
poops9,
noops7,
noups7,
poons7,
snoop7,
soops7,
soups7,
spoon7,
4 letter words:
oppo8,
poop8,
pops8,
pups8,
noop6,
noup6,
oops6,
opus6,
oups6,
pons6,
poon6,
poos6,
poss6,
puns6,
puss6,
soop6,
sops6,
soup6,
spun6,
sups6,
upon6,
nous4,
onos4,
onus4,
oons4,
sons4,
soon4,
sous4,
suns4,
3 letter words:
pop7,
pup7,
oop5,
ops5,
oup5,
poo5,
pos5,
pun5,
pus5,
sop5,
sup5,
upo5,
ups5,
noo3,
nos3,
nus3,
ono3,
ons3,
oon3,
oos3,
ous3,
son3,
sos3,
sou3,
sun3,
sus3,
uns3,
2 letter words:
op4,
po4,
up4,
no2,
nu2,
on2,
oo2,
os2,
ou2,
so2,
un2,
us2,
