6 letter words:
flexed17,
needle7,
5 letter words:
fedex16,
4 letter words:
flex14,
exed12,
delf8,
feed8,
fend8,
fled8,
feel7,
flee7,
dele5,
dene5,
lend5,
need5,
3 letter words:
dex11,
lex10,
def7,
fed7,
elf6,
fee6,
fen6,
dee4,
del4,
den4,
eld4,
end4,
led4,
eel3,
lee3,
nee3,
2 letter words:
ex9,
ef5,
fe5,
de3,
ed3,
el2,
en2,
ne2,