4 letter words:
doup7,
plod7,
pudu7,
updo7,
loup6,
pulu6,
loud5,
ludo5,
ould5,
3 letter words:
dop6,
dup6,
pod6,
pud6,
lop5,
oup5,
plu5,
pol5,
pul5,
upo5,
dol4,
duo4,
lod4,
lud4,
old4,
oud4,
udo4,
lou3,
ulu3,
2 letter words:
op4,
po4,
up4,
do3,
od3,
lo2,
ou2,