6 letter words:
defies10,
5 letter words:
defis9,
feeds9,
4 letter words:
defi8,
difs8,
feds8,
feed8,
fids8,
fees7,
seif7,
dees5,
dies5,
eide5,
ides5,
seed5,
side5,
3 letter words:
def7,
dif7,
fed7,
fid7,
efs6,
fee6,
fes6,
fie6,
ifs6,
dee4,
die4,
dis4,
eds4,
ids4,
see3,
sei3,
2 letter words:
ef5,
fe5,
if5,
de3,
ed3,
id3,
es2,
is2,
si2,