5 letter words:
chiro10,
choir10,
ichor10,
4 letter words:
chow12,
wich12,
whir10,
coho9,
crow9,
rich9,
coir6,
3 letter words:
how9,
who9,
chi8,
cow8,
hic8,
ich8,
oho6,
ooh6,
rho6,
row6,
woo6,
coo5,
cor5,
orc5,
roc5,
2 letter words:
hi5,
ho5,
oh5,
ow5,
wo5,
oi2,
or2,