4 letter words:
pelf9,
delf8,
feed8,
fend8,
fled8,
deep7,
feel7,
flee7,
peed7,
pend7,
pled7,
neep6,
peel6,
peen6,
pele6,
dele5,
dene5,
lend5,
need5,
3 letter words:
fez15,
zep14,
zed13,
lez12,
zee12,
def7,
fed7,
elf6,
fee6,
fen6,
ped6,
pee5,
pen5,
dee4,
del4,
den4,
eld4,
end4,
led4,
eel3,
lee3,
nee3,
2 letter words:
ef5,
fe5,
pe4,
de3,
ed3,
el2,
en2,
ne2,