4 letter words:
plod7,
lipo6,
pill6,
poll6,
dill5,
diol5,
doll5,
idol5,
lido5,
loid5,
olid5,
lilo4,
3 letter words:
dip6,
dop6,
pod6,
lip5,
lop5,
poi5,
pol5,
dol4,
lid4,
lod4,
old4,
ill3,
oil3,
2 letter words:
op4,
pi4,
po4,
di3,
do3,
id3,
od3,
io2,
li2,
lo2,
oi2,