10 letter words:
inflexible22,
8 letter words:
flexible20,
lifeline11,
7 letter words:
flexile17,
6 letter words:
biflex18,
befell11,
belief11,
feline9,
infill9,
billie8,
nellie6,
nielli6,
5 letter words:
infix15,
exile12,
exine12,
nixie12,
elfin8,
fille8,
belie7,
belle7,
blini7,
leben7,
libel7,
4 letter words:
flex14,
ibex13,
ilex11,
nixe11,
beef9,
feeb9,
feel7,
fell7,
file7,
fill7,
fine7,
flee7,
lief7,
life7,
neif7,
been6,
bell6,
bene6,
bile6,
bill6,
bine6,
blin6,
lien4,
line4,
nill4,
3 letter words:
fix13,
lex10,
nix10,
fib8,
elf6,
fee6,
fen6,
fie6,
fil6,
fin6,
bee5,
bel5,
ben5,
bin5,
lib5,
neb5,
nib5,
eel3,
ell3,
ill3,
lee3,
lei3,
lie3,
lin3,
nee3,
nil3,
2 letter words:
ex9,
xi9,
ef5,
fe5,
if5,
be4,
bi4,
el2,
en2,
in2,
li2,
ne2,
