7 letter words:
stumper11,
sumpter11,
6 letter words:
frumps13,
femurs11,
fumers11,
fumets11,
septum10,
trumps10,
erupts8,
estrum8,
muster8,
purest8,
5 letter words:
frump12,
femur10,
fumer10,
fumes10,
fumet10,
perms9,
rumps9,
sperm9,
spume9,
stump9,
temps9,
trump9,
tumps9,
fetus8,
frets8,
turfs8,
erupt7,
mures7,
muser7,
muter7,
mutes7,
prest7,
purse7,
serum7,
setup7,
sprue7,
spurt7,
strep7,
strum7,
stupe7,
super7,
terms7,
turps7,
upset7,
trues5,
4 letter words:
fems9,
fume9,
perm8,
rump8,
sump8,
temp8,
tump8,
umps8,
efts7,
fest7,
fets7,
feus7,
fret7,
furs7,
fuse7,
refs7,
reft7,
serf7,
surf7,
tref7,
turf7,
emus6,
mure6,
muse6,
must6,
mute6,
muts6,
pert6,
pest6,
pets6,
pure6,
purs6,
puts6,
rems6,
reps6,
rums6,
sept6,
smut6,
spue6,
spur6,
stem6,
step6,
stum6,
supe6,
term6,
tups6,
urps6,
erst4,
rest4,
rets4,
rues4,
ruse4,
rust4,
ruts4,
suer4,
suet4,
sure4,
tres4,
true4,
user4,
utes4,
3 letter words:
fem8,
ump7,
efs6,
eft6,
fer6,
fes6,
fet6,
feu6,
fur6,
ref6,
ems5,
emu5,
met5,
mus5,
mut5,
per5,
pes5,
pet5,
pst5,
pur5,
pus5,
put5,
rem5,
rep5,
rum5,
sum5,
sup5,
tup5,
ups5,
urp5,
ers3,
res3,
ret3,
rue3,
rut3,
ser3,
set3,
sue3,
use3,
ute3,
uts3,
2 letter words:
ef5,
fe5,
em4,
me4,
mu4,
pe4,
um4,
up4,
er2,
es2,
et2,
re2,
us2,
ut2,