8 letter words:
sheetfed15,
7 letter words:
seethed11,
sheeted11,
6 letter words:
hefted13,
feesed10,
seethe9,
5 letter words:
hefte11,
hefts11,
feeds9,
feted9,
heeds9,
theed9,
feese8,
fetes8,
hetes8,
sheet8,
thees8,
these8,
deets6,
stede6,
steed6,
4 letter words:
fehs10,
heft10,
deft8,
edhs8,
ehed8,
feds8,
feed8,
heed8,
shed8,
efts7,
ethe7,
eths7,
fees7,
feet7,
fest7,
fete7,
fets7,
hest7,
hete7,
hets7,
shet7,
tefs7,
thee7,
dees5,
deet5,
seed5,
sted5,
teds5,
teed5,
tees4,
3 letter words:
feh9,
def7,
edh7,
fed7,
efs6,
eft6,
ehs6,
eth6,
fee6,
fes6,
fet6,
hes6,
het6,
she6,
tef6,
the6,
dee4,
eds4,
sed4,
ted4,
est3,
see3,
set3,
tee3,
tes3,
2 letter words:
ef5,
eh5,
fe5,
he5,
sh5,
de3,
ed3,
ee2,
es2,
et2,
st2,
te2,
