7 letter words:
cornice11,
crocein11,
crocine11,
6 letter words:
cicero10,
coiner8,
orcein8,
recoin8,
5 letter words:
cerci9,
ceric9,
conic9,
croci9,
crone7,
nicer7,
orcin7,
recon7,
irone5,
4 letter words:
croc8,
cero6,
cine6,
cion6,
cire6,
coin6,
coir6,
cone6,
coni6,
core6,
corn6,
icon6,
nice6,
once6,
rice6,
inro4,
iron4,
noir4,
nori4,
rein4,
3 letter words:
con5,
cor5,
ice5,
orc5,
rec5,
roc5,
eon3,
ern3,
ion3,
ire3,
nor3,
one3,
ore3,
rei3,
rin3,
roe3,
2 letter words:
en2,
er2,
in2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,