6 letter words:
tergum9,
5 letter words:
frump12,
femur10,
fumer10,
fumet10,
grump10,
grufe9,
mpret9,
trump9,
getup8,
grume8,
purge8,
erupt7,
muter7,
turme7,
upter7,
4 letter words:
ferm9,
fume9,
gump9,
empt8,
frug8,
perm8,
prem8,
rump8,
temp8,
tump8,
fret7,
germ7,
geum7,
grum7,
reft7,
terf7,
tref7,
turf7,
mure6,
mute6,
pert6,
puer6,
pure6,
rume6,
term6,
turm6,
gert5,
grue5,
tegu5,
trug5,
urge5,
true4,
3 letter words:
fem8,
fum8,
feg7,
fug7,
ump7,
eft6,
erf6,
fer6,
fet6,
feu6,
fur6,
gem6,
gum6,
gup6,
meg6,
mug6,
peg6,
pug6,
ref6,
tef6,
emu5,
met5,
meu5,
mut5,
per5,
pet5,
pre5,
pur5,
put5,
rem5,
rep5,
rum5,
tum5,
tup5,
urp5,
erg4,
get4,
gue4,
gur4,
gut4,
reg4,
rug4,
teg4,
tug4,
ret3,
rue3,
rut3,
ure3,
ute3,
2 letter words:
ef5,
fe5,
em4,
me4,
mu4,
pe4,
um4,
up4,
gu3,
ug3,
er2,
et2,
re2,
te2,
ur2,
ut2,