7 letter words:
edifice13,
6 letter words:
coifed12,
deific12,
5 letter words:
deice8,
iodic8,
4 letter words:
coif9,
fice9,
fico9,
foci9,
defi8,
feed8,
feod8,
fido8,
cede7,
cedi7,
code7,
coed7,
deco7,
dice7,
iced7,
odic7,
eide5,
3 letter words:
def7,
dif7,
fed7,
fid7,
cod6,
doc6,
fee6,
fie6,
foe6,
cee5,
ice5,
dee4,
die4,
doe4,
ode4,
2 letter words:
ef5,
fe5,
if5,
of5,
de3,
do3,
ed3,
id3,
od3,
oe2,
oi2,