5 letter words:
unpeg8,
4 letter words:
geum7,
pung7,
menu6,
neum6,
genu5,
3 letter words:
ump7,
gem6,
gum6,
meg6,
mug6,
peg6,
pug6,
emu5,
men5,
mun5,
pen5,
pun5,
eng4,
gen4,
gnu4,
gun4,
neg4,
2 letter words:
em4,
me4,
mu4,
pe4,
um4,
up4,
en2,
ne2,
nu2,
un2,