7 letter words:
nervure10,
6 letter words:
ferrum11,
frenum11,
unfree9,
5 letter words:
fever11,
femur10,
fumer10,
freer8,
frere8,
nerve8,
never8,
refer8,
revue8,
venue8,
merer7,
murre7,
neume7,
rumen7,
enure5,
rerun5,
4 letter words:
feme9,
fume9,
enuf7,
even7,
ever7,
fere7,
fern7,
free7,
neve7,
reef7,
veer7,
emeu6,
menu6,
mere6,
mure6,
murr6,
neem6,
neum6,
erne4,
ruer4,
rune4,
3 letter words:
fem8,
vum8,
eve6,
fee6,
fen6,
fer6,
feu6,
fun6,
fur6,
ref6,
rev6,
vee6,
eme5,
emu5,
men5,
mun5,
rem5,
rum5,
ere3,
ern3,
err3,
nee3,
ree3,
rue3,
run3,
urn3,
2 letter words:
ef5,
fe5,
em4,
me4,
mu4,
um4,
en2,
er2,
ne2,
nu2,
re2,
un2,