5 letter words:
achoo10,
chiao10,
cobia9,
4 letter words:
bach11,
boho9,
chai9,
chao9,
chia9,
coho9,
hobo9,
ohia7,
ciao6,
obia6,
3 letter words:
bah8,
chi8,
hic8,
hob8,
ich8,
cab7,
cob7,
ahi6,
hao6,
oho6,
ooh6,
abo5,
bio5,
boa5,
boo5,
coo5,
oba5,
obi5,
oca5,
2 letter words:
ah5,
ha5,
hi5,
ho5,
oh5,
ab4,
ba4,
bi4,
bo4,
ai2,
oi2,