5 letter words:
meffs13,
muffs13,
fumes10,
4 letter words:
meff12,
muff12,
effs10,
fems9,
fume9,
fums9,
feus7,
fuse7,
emus6,
meus6,
muse6,
3 letter words:
eff9,
fem8,
fum8,
efs6,
fes6,
feu6,
ems5,
emu5,
mes5,
meu5,
mus5,
sum5,
sue3,
use3,
2 letter words:
ef5,
fe5,
em4,
me4,
mu4,
um4,
es2,
us2,