7 letter words:
fermion12,
inferno10,
ironmen9,
6 letter words:
enform11,
inform11,
finner9,
merino8,
ronnie6,
5 letter words:
fermi10,
forme10,
finer8,
freon8,
infer8,
enorm7,
inerm7,
miner7,
minor7,
moire7,
moner7,
monie7,
morne7,
nomen7,
inner5,
irone5,
renin5,
ronin5,
ronne5,
4 letter words:
ferm9,
firm9,
form9,
from9,
feni7,
fern7,
fier7,
fine7,
fino7,
fire7,
firn7,
foen7,
foin7,
fone7,
fore7,
froe7,
info7,
neif7,
nief7,
nife7,
orfe7,
reif7,
rife7,
emir6,
mein6,
meno6,
meri6,
mien6,
mine6,
mino6,
mire6,
miro6,
moer6,
more6,
morn6,
nemn6,
nome6,
norm6,
omen6,
omer6,
riem6,
rime6,
inro4,
iron4,
neon4,
nine4,
noir4,
none4,
noni4,
nori4,
oner4,
onie4,
rein4,
rine4,
roin4,
rone4,
3 letter words:
fem8,
erf6,
fen6,
fer6,
fie6,
fin6,
fir6,
foe6,
fon6,
for6,
fro6,
nef6,
orf6,
ref6,
rif6,
emo5,
men5,
mir5,
moe5,
moi5,
mon5,
mor5,
nim5,
nom5,
rem5,
rim5,
rom5,
eon3,
ern3,
inn3,
ion3,
ire3,
nie3,
non3,
nor3,
one3,
ore3,
rei3,
ren3,
reo3,
rin3,
roe3,
2 letter words:
ef5,
fe5,
if5,
of5,
em4,
me4,
mi4,
mo4,
om4,
en2,
er2,
in2,
io2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,