5 letter words:
giron6,
groin6,
guiro6,
ruing6,
unrig6,
4 letter words:
girn5,
giro5,
grin5,
ring5,
rung5,
inro4,
iron4,
noir4,
nori4,
ruin4,
3 letter words:
gin4,
gnu4,
gor4,
gun4,
nog4,
rig4,
rug4,
ion3,
nor3,
our3,
rin3,
run3,
urn3,
2 letter words:
go3,
in2,
no2,
nu2,
oi2,
on2,
or2,
un2,