8 letter words:
flexible20,
7 letter words:
flexile17,
febrile12,
libeler9,
6 letter words:
biflex18,
reflex16,
exiler13,
befell11,
belief11,
feller9,
ferlie9,
filler9,
liefer9,
refell9,
refile9,
refill9,
relief9,
belier8,
biller8,
rebill8,
5 letter words:
fixer15,
refix15,
exile12,
brief10,
fiber10,
fibre10,
filer8,
fille8,
fleer8,
flier8,
frill8,
lifer8,
refel8,
rifle8,
belie7,
belle7,
birle7,
brill7,
libel7,
liber7,
rebel7,
iller5,
rille5,
4 letter words:
flex14,
ibex13,
ilex11,
beef9,
feeb9,
feel7,
fell7,
fere7,
file7,
fill7,
fire7,
flee7,
flir7,
free7,
lief7,
life7,
reef7,
reif7,
rife7,
beer6,
bell6,
bier6,
bile6,
bill6,
birl6,
bree6,
brie6,
leer4,
lier4,
lire4,
reel4,
riel4,
rile4,
rill4,
3 letter words:
fix13,
lex10,
rex10,
fib8,
elf6,
fee6,
fer6,
fie6,
fil6,
fir6,
ref6,
rif6,
bee5,
bel5,
lib5,
reb5,
rib5,
eel3,
ell3,
ere3,
ill3,
ire3,
lee3,
lei3,
lie3,
ree3,
rei3,
2 letter words:
ex9,
xi9,
ef5,
fe5,
if5,
be4,
bi4,
el2,
er2,
li2,
re2,