9 letter words:
excellent18,
5 letter words:
excel14,
telex12,
elect7,
4 letter words:
exec13,
next11,
cell6,
celt6,
cent6,
cete6,
leet4,
lent4,
teel4,
teen4,
tele4,
tell4,
3 letter words:
lex10,
cee5,
cel5,
eel3,
ell3,
lee3,
let3,
nee3,
net3,
tee3,
tel3,
ten3,
2 letter words:
ex9,
el2,
en2,
et2,
ne2,