UPHOORDING

do go hi ho id in no nu od oh oi on op or pi uh un up

dig din dip dog don dor dug duh dui dun duo dup ghi gid gin gip gnu god goo gor gun hid hin hip hod hog hon hop hug hun hup ion nip nod nog noh noo nor oho ono ooh oud our phi pig pin piu pod poh poi poo pro pud pug pun pur rho rid rig rin rip rod rug run udo ugh upo urd urn urp

ding dino dong door dorp dour drip drop drug dung durn duro gird girn giro good goon goop gorp grid grin grip guid hind hong hood hoop horn hour hung inro iron nigh nodi noir nori nurd odor ordo ouph phon ping pion pirn pond pong pood pooh poon poor porn pour prig prod prog pugh pung puri rind ring rood roup ruin rung udon undo updo upon