6 letter words:
firmed12,
5 letter words:
fremd11,
fermi10,
fired9,
fried9,
dimer8,
mired8,
rimed8,
4 letter words:
ferm9,
firm9,
defi8,
deif8,
derm7,
dime7,
fier7,
fire7,
idem7,
reif7,
rife7,
emir6,
meri6,
mire6,
riem6,
rime6,
dire5,
ired5,
ride5,
3 letter words:
fem8,
def7,
dif7,
fed7,
fid7,
dim6,
erf6,
fer6,
fie6,
fir6,
med6,
mid6,
ref6,
rif6,
mir5,
rem5,
rim5,
dei4,
die4,
ide4,
red4,
rid4,
ire3,
rei3,
2 letter words:
ef5,
fe5,
if5,
em4,
me4,
mi4,
de3,
di3,
ed3,
id3,
er2,
re2,