5 letter words:
kench14,
ketch14,
tench10,
4 letter words:
heck13,
khet11,
neck10,
echt9,
etch9,
tech9,
kent8,
hent7,
then7,
cent6,
3 letter words:
che8,
ech8,
ken7,
ket7,
nek7,
eth6,
hen6,
het6,
nth6,
the6,
tec5,
net3,
ten3,
2 letter words:
ch7,
eh5,
he5,
en2,
et2,
ne2,
te2,