8 letter words:
grumpier13,
7 letter words:
impurer11,
6 letter words:
guimpe11,
impure10,
primer10,
umpire10,
griper9,
purger9,
5 letter words:
grump10,
prime9,
grime8,
gripe8,
grume8,
purge8,
murre7,
prier7,
purer7,
rimer7,
riper7,
rerig6,
urger6,
4 letter words:
gimp9,
perm8,
prim8,
rump8,
germ7,
geum7,
grim7,
grip7,
grum7,
prig7,
emir6,
mire6,
mure6,
murr6,
peri6,
pier6,
pure6,
puri6,
purr6,
rime6,
ripe6,
grue5,
urge5,
ruer4,
3 letter words:
imp7,
ump7,
gem6,
gip6,
gum6,
meg6,
mig6,
mug6,
peg6,
pig6,
pug6,
emu5,
mir5,
per5,
pie5,
piu5,
pur5,
rem5,
rep5,
rim5,
rip5,
rum5,
urp5,
erg4,
gie4,
reg4,
rig4,
rug4,
err3,
ire3,
rei3,
rue3,
2 letter words:
em4,
me4,
mi4,
mu4,
pe4,
pi4,
um4,
up4,
er2,
re2,