7 letter words:
firemen12,
fennier10,
6 letter words:
fenmen11,
enfire9,
feerin9,
ferine9,
fineer9,
finner9,
frenne9,
infere9,
refine9,
ermine8,
nerine6,
5 letter words:
fermi10,
fiere8,
finer8,
infer8,
inerm7,
miner7,
remen7,
inner5,
renin5,
renne5,
4 letter words:
feme9,
ferm9,
firm9,
feen7,
feer7,
feni7,
fere7,
fern7,
fier7,
fine7,
fire7,
firn7,
free7,
neif7,
nief7,
nife7,
reef7,
reif7,
rife7,
emir6,
meer6,
mein6,
mene6,
mere6,
meri6,
mien6,
mine6,
mire6,
neem6,
nemn6,
riem6,
rime6,
eine4,
erne4,
nene4,
nine4,
reen4,
rein4,
rine4,
3 letter words:
fem8,
erf6,
fee6,
fen6,
fer6,
fie6,
fin6,
fir6,
nef6,
ref6,
rif6,
eme5,
mee5,
men5,
mir5,
nim5,
rem5,
rim5,
een3,
ene3,
ere3,
ern3,
inn3,
ire3,
nee3,
nie3,
ree3,
rei3,
ren3,
rin3,
2 letter words:
ef5,
fe5,
if5,
em4,
me4,
mi4,
ee2,
en2,
er2,
in2,
ne2,
re2,