ACROPHONIC

ah ai an ar ha hi ho in na no oh oi on op or pa pi

ahi ain air ani apo arc can cap car chi con coo cop cor hao hap hic hin hip hon hop ich ion nah nap nip noh noo nor oar oca oho ono ooh ora orc pac pah pan par phi pia pic pin poh poi poo pro rah rai ran rap rho ria rin rip roc

airn arch arco cain caph capo carn carp chai chao chap char chia chic chin chip chon chop ciao cion coca coco coho coin coir coni coon coop corn crap croc crop hair harp hoar hoop hora horn icon inch inro iron naoi narc nipa noir nori ohia opah orca pain pair phon pian pica pina pion pirn poco pooh poon poor porn prao proa rain rani rich roan