PHOTOIONIZATION

ah ai an at ha hi ho in it na no oh oi on op pa pi ta ti to za

ahi ain ait ani ant apo apt att azo hao hap hat hin hip hit hon hop hot inn ion nah nan nap nip nit noh noo not nth oat oho ono ooh oot opt pah pan pat phi pht pia pin pit poh poi poo pot tan tao tap tat tho tin tip tit ton too top tot zap zin zip zit zoa zoo

anon anti atop azon hant hint hoop hoot inia inti into iota naoi nazi nipa nona noon nota oath ohia onto opah otto pain pant path phat phiz phon phot pian pina pint pion pita pith pooh poon tain than that thin thio tint tipi titi toit toon toot toph topi topo ziti zona zoon