6 letter words:
cering9,
cringe9,
5 letter words:
genic8,
nicer7,
reign6,
renig6,
4 letter words:
cine6,
cire6,
nice6,
rice6,
gien5,
girn5,
grin5,
ring5,
rein4,
3 letter words:
cig6,
ice5,
rec5,
eng4,
erg4,
gen4,
gie4,
gin4,
neg4,
reg4,
rig4,
ern3,
ire3,
rei3,
rin3,
2 letter words:
en2,
er2,
in2,
ne2,
re2,