8 letter words:
coronoid11,
6 letter words:
condor9,
conoid9,
cordon9,
nordic9,
indoor7,
5 letter words:
codon8,
condo8,
croon7,
orcin7,
donor6,
rondo6,
4 letter words:
cord7,
odic7,
cion6,
coin6,
coir6,
coni6,
coon6,
corn6,
icon6,
dino5,
door5,
nodi5,
odor5,
ordo5,
rind5,
rood5,
inro4,
iron4,
noir4,
nori4,
3 letter words:
cod6,
doc6,
con5,
coo5,
cor5,
orc5,
roc5,
din4,
don4,
dor4,
nod4,
rid4,
rod4,
ion3,
noo3,
nor3,
ono3,
rin3,
2 letter words:
do3,
id3,
od3,
in2,
no2,
oi2,
on2,
or2,
