6 letter words:
fetted10,
fitted10,
tifted10,
5 letter words:
feted9,
fetid9,
fitte8,
teiid6,
4 letter words:
defi8,
deft8,
deif8,
feed8,
feet7,
fete7,
fett7,
fitt7,
tift7,
deet5,
diet5,
dite5,
ditt5,
edit5,
eide5,
idee5,
teed5,
tide5,
tied5,
tete4,
tite4,
titi4,
3 letter words:
def7,
dif7,
fed7,
fid7,
eft6,
fee6,
fet6,
fie6,
fit6,
tef6,
dee4,
dei4,
die4,
dit4,
ide4,
ted4,
tid4,
tee3,
tet3,
tie3,
tit3,
2 letter words:
ef5,
fe5,
if5,
de3,
di3,
ed3,
id3,
ee2,
et2,
it2,
te2,
ti2,