9 letter words:
nullifier12,
7 letter words:
unifier10,
6 letter words:
filler9,
fluier9,
fuller9,
infill9,
ireful9,
refill9,
inlier6,
linier6,
lunier6,
nielli6,
nirlie6,
5 letter words:
elfin8,
filer8,
fille8,
finer8,
firie8,
flier8,
frill8,
infer8,
lifer8,
rifle8,
iller5,
inure5,
liner5,
rille5,
urine5,
4 letter words:
enuf7,
fell7,
feni7,
fern7,
fier7,
file7,
fill7,
fine7,
fini7,
fire7,
firn7,
flir7,
flue7,
fuel7,
full7,
furl7,
lief7,
life7,
neif7,
nief7,
nife7,
reif7,
rife7,
iure4,
leir4,
lien4,
lier4,
lieu4,
line4,
lire4,
liri4,
lune4,
lure4,
nill4,
nirl4,
null4,
nurl4,
rein4,
riel4,
rile4,
rill4,
rine4,
ruin4,
rule4,
rune4,
3 letter words:
elf6,
erf6,
fen6,
fer6,
feu6,
fie6,
fil6,
fin6,
fir6,
flu6,
fun6,
fur6,
nef6,
ref6,
rif6,
ell3,
ern3,
ill3,
ire3,
lei3,
leu3,
lie3,
lin3,
lur3,
nie3,
nil3,
nur3,
rei3,
ren3,
rin3,
rue3,
run3,
ule3,
uni3,
ure3,
urn3,
2 letter words:
ef5,
fe5,
if5,
el2,
en2,
er2,
in2,
li2,
ne2,
nu2,
re2,
un2,
ur2,