6 letter words:
thence11,
pecten10,
5 letter words:
cheep12,
hence10,
tench10,
pence9,
penne7,
4 letter words:
pech11,
eche9,
echt9,
etch9,
tech9,
cepe8,
hent7,
thee7,
then7,
cent6,
cete6,
neep6,
peen6,
pent6,
nene4,
teen4,
3 letter words:
hep8,
peh8,
pht8,
cep7,
pec7,
eth6,
hen6,
het6,
nth6,
the6,
cee5,
pee5,
pen5,
pet5,
nee3,
net3,
tee3,
ten3,
2 letter words:
eh5,
he5,
pe4,
en2,
et2,
ne2,