6 letter words:
fisted10,
sifted10,
5 letter words:
defis9,
fetid9,
feist8,
fiest8,
deist6,
diets6,
dites6,
edits6,
sited6,
stied6,
tides6,
4 letter words:
defi8,
deft8,
deif8,
difs8,
feds8,
fids8,
efts7,
feis7,
fest7,
fets7,
fist7,
fits7,
seif7,
sift7,
tefs7,
desi5,
dies5,
diet5,
dite5,
dits5,
edit5,
ides5,
side5,
sted5,
teds5,
tide5,
tids5,
tied5,
site4,
stie4,
ties4,
3 letter words:
def7,
dif7,
fed7,
fid7,
efs6,
eft6,
fes6,
fet6,
fie6,
fit6,
ifs6,
sif6,
tef6,
dei4,
die4,
dis4,
dit4,
eds4,
ide4,
ids4,
sed4,
ted4,
tid4,
est3,
its3,
sei3,
set3,
sit3,
tes3,
tie3,
tis3,
2 letter words:
ef5,
fe5,
if5,
de3,
di3,
ed3,
id3,
es2,
et2,
is2,
it2,
si2,
st2,
te2,
ti2,