6 letter words:
erring7,
ringer7,
ruiner6,
5 letter words:
genie6,
genre6,
green6,
reign6,
renig6,
rerig6,
ruing6,
unrig6,
urger6,
enure5,
inure5,
rerun5,
urine5,
4 letter words:
eger5,
gene5,
genu5,
gien5,
girn5,
gree5,
grin5,
grue5,
ring5,
rung5,
urge5,
erne4,
rein4,
ruer4,
ruin4,
rune4,
3 letter words:
eng4,
erg4,
gee4,
gen4,
gie4,
gin4,
gnu4,
gun4,
neg4,
reg4,
rig4,
rug4,
ere3,
ern3,
err3,
ire3,
nee3,
ree3,
rei3,
rin3,
rue3,
run3,
urn3,
2 letter words:
en2,
er2,
in2,
ne2,
nu2,
re2,
un2,