7 letter words:
chorizo21,
5 letter words:
chiro10,
choir10,
ichor10,
4 letter words:
chiz18,
zoic15,
orzo13,
zori13,
coho9,
rich9,
roch9,
hori7,
coir6,
3 letter words:
zho15,
coz14,
riz12,
zoo12,
chi8,
hic8,
hoc8,
ich8,
och8,
hoi6,
hoo6,
oho6,
ooh6,
rho6,
coo5,
cor5,
orc5,
roc5,
oor3,
roo3,
2 letter words:
zo11,
ch7,
hi5,
ho5,
oh5,
io2,
oi2,
oo2,
or2,