6 letter words:
fumier11,
figure10,
5 letter words:
femur10,
fermi10,
fumer10,
grief9,
grime8,
grume8,
4 letter words:
firm9,
fume9,
frig8,
frug8,
fire7,
germ7,
geum7,
grim7,
grum7,
reif7,
rife7,
emir6,
mire6,
mure6,
rime6,
grue5,
urge5,
3 letter words:
fem8,
fig7,
fug7,
fer6,
feu6,
fie6,
fir6,
fur6,
gem6,
gum6,
meg6,
mig6,
mug6,
ref6,
rif6,
emu5,
mir5,
rem5,
rim5,
rum5,
erg4,
gie4,
reg4,
rig4,
rug4,
ire3,
rei3,
rue3,
2 letter words:
ef5,
fe5,
if5,
em4,
me4,
mi4,
mu4,
um4,
er2,
re2,