DIPLOPHONIA

ad ah ai al an do ha hi ho id in la li lo na no od oh oi on op pa pi

ado ahi aid ail ain alp and ani apo app dah dal dan dap din dip dol don had hao hap hid hin hip hod hon hop ion lad lap lid lin lip loo lop nah nap nil nip nod noh noo oda oho oil old ono ooh pad pah pal pan pap phi pia pin pip pod poh poi pol poo pop

anil apod dahl dhal dial dino diol dona dopa hail halo hand hila hili hind hold holp hood hoop idol ilia inia laid lain land lido lino lion lipa load loan loid loin loon loop nail naoi nidi nipa nodi noil nolo odah ohia olio opah opal padi paid pail pain palp phon pial pian pili pina pion plan plod plop polo pond pood pooh pool poon poop