7 letter words:
chorizo21,
horizon19,
chorion12,
6 letter words:
ozonic17,
zircon17,
5 letter words:
finch13,
chino10,
chiro10,
choir10,
ichor10,
honor8,
rhino8,
croon7,
orcin7,
4 letter words:
friz16,
zinc15,
zoic15,
orzo13,
zoon13,
zori13,
fohn10,
hoof10,
chin9,
chon9,
coho9,
coif9,
coof9,
corf9,
fico9,
foci9,
inch9,
rich9,
fino7,
firn7,
foin7,
horn7,
info7,
roof7,
cion6,
coin6,
coir6,
coni6,
coon6,
corn6,
icon6,
inro4,
iron4,
noir4,
nori4,
3 letter words:
fiz15,
coz14,
zin12,
zoo12,
foh9,
chi8,
hic8,
ich8,
fin6,
fir6,
fon6,
for6,
fro6,
hin6,
hon6,
noh6,
oho6,
ooh6,
rho6,
rif6,
con5,
coo5,
cor5,
orc5,
roc5,
ion3,
noo3,
nor3,
ono3,
rin3,
2 letter words:
hi5,
ho5,
if5,
of5,
oh5,
in2,
no2,
oi2,
on2,
or2,