HIPPOPOTAMI

ah ai am at ha hi hm ho it ma mi mo oh oi om op pa pi ta ti to

ahi aim ait ami amp apo app apt ham hao hap hat him hip hit hop hot imp map mat mho moa moo mop mot oat ohm oho ooh oot opt pah pam pap pat phi pht pia pip pit poh poi pom poo pop pot tam tao tap tho tip tom too top

atom atop homo hoop hoot impi iota math moat moot moth oath ohia omit opah path phat phot pima pimp pita pith pomo pomp pooh poop tamp thio tipi toom toph topi topo