8 letter words:
unicolor10,
7 letter words:
couloir9,
orcinol9,
6 letter words:
coloni8,
colour8,
uncoil8,
uncool8,
5 letter words:
clour7,
colin7,
colon7,
color7,
cornu7,
croon7,
curio7,
incur7,
nicol7,
oculi7,
orcin7,
runic7,
orlon5,
4 letter words:
cion6,
clon6,
coil6,
coin6,
coir6,
coni6,
cool6,
coon6,
corn6,
curl6,
curn6,
icon6,
loci6,
loco6,
unci6,
unco6,
uric6,
inro4,
iron4,
lino4,
lion4,
loin4,
loon4,
lorn4,
lour4,
noil4,
noir4,
nolo4,
nori4,
nurl4,
olio4,
roil4,
ruin4,
3 letter words:
col5,
con5,
coo5,
cor5,
cru5,
cur5,
orc5,
roc5,
ion3,
lin3,
loo3,
nil3,
noo3,
nor3,
oil3,
ono3,
our3,
rin3,
run3,
urn3,
2 letter words:
in2,
li2,
lo2,
no2,
nu2,
oi2,
on2,
or2,
un2,