5 letter words:
phoca12,
poach12,
chiao10,
4 letter words:
caph11,
chap11,
chip11,
chop11,
chai9,
chao9,
chia9,
opah9,
capi8,
capo8,
paco8,
pica8,
ohia7,
ciao6,
3 letter words:
ach8,
cha8,
chi8,
hap8,
hic8,
hip8,
hoc8,
hop8,
ich8,
och8,
pah8,
phi8,
pho8,
poh8,
cap7,
cop7,
pac7,
pic7,
ahi6,
hao6,
hoa6,
hoi6,
apo5,
oca5,
pia5,
poa5,
poi5,
2 letter words:
ch7,
ah5,
ha5,
hi5,
ho5,
oh5,
op4,
pa4,
pi4,
po4,
ai2,
io2,
oi2,