6 letter words:
grunge8,
5 letter words:
fugue9,
gurge7,
4 letter words:
vugg9,
frug8,
fugu8,
enuf7,
fern7,
genu5,
grue5,
guru5,
rung5,
urge5,
rune4,
3 letter words:
fug7,
guv7,
veg7,
vug7,
fen6,
fer6,
feu6,
fun6,
fur6,
ref6,
rev6,
egg5,
eng4,
erg4,
gen4,
gnu4,
gun4,
neg4,
reg4,
rug4,
ern3,
rue3,
run3,
urn3,
2 letter words:
ef5,
fe5,
en2,
er2,
ne2,
nu2,
re2,
un2,