5 letter words:
femur10,
fumer10,
fumet10,
muter7,
4 letter words:
kerf11,
merk10,
murk10,
fume9,
trek8,
turk8,
fret7,
reft7,
tref7,
turf7,
mure6,
mute6,
term6,
true4,
3 letter words:
kef10,
fem8,
kue7,
uke7,
eft6,
fer6,
fet6,
feu6,
fur6,
ref6,
emu5,
met5,
mut5,
rem5,
rum5,
ret3,
rue3,
rut3,
ute3,
2 letter words:
ef5,
fe5,
em4,
me4,
mu4,
um4,
er2,
et2,
re2,
ut2,