7 letter words:
effendi14,
6 letter words:
niffed13,
define10,
peined9,
5 letter words:
effed12,
fifed12,
fiend9,
fined9,
pened8,
piend8,
pined8,
penie7,
diene6,
4 letter words:
diff11,
fief10,
fife10,
niff10,
defi8,
deif8,
feed8,
fend8,
find8,
deep7,
feen7,
feni7,
fine7,
neif7,
nief7,
nife7,
peed7,
pend7,
pied7,
neep6,
peen6,
pein6,
pene6,
peni6,
pine6,
deen5,
dene5,
deni5,
dine5,
eide5,
idee5,
need5,
nide5,
nied5,
eine4,
3 letter words:
eff9,
iff9,
def7,
dif7,
fed7,
fid7,
dip6,
fee6,
fen6,
fie6,
fin6,
nef6,
ped6,
nep5,
nip5,
pee5,
pen5,
pie5,
pin5,
dee4,
dei4,
den4,
die4,
din4,
end4,
ide4,
ned4,
nid4,
een3,
ene3,
nee3,
nie3,
2 letter words:
ef5,
fe5,
if5,
pe4,
pi4,
de3,
di3,
ed3,
id3,
ee2,
en2,
in2,
ne2,