hhhhh ho-ho ho-oh honno hopon hoppo hoppy hopyn hynny hyphy hypn- hypno hypo- hyppo n-p-n nnooo no-no no-op nohno nonno nonny nonoh nonop noppy noxon noynx noyon npxpy o-hoy oh-oh onoon onpop onyon onyxx ooooh ooooo ophyx opoho oppon opypy p-n-p p-o-x phon- phono phony phynn phyno phynx po-on po-po pohoy ponyo poopo poopy popon popop poppo poppy poxon pppox pynn- pynon pypyn xonox xoxox yo-ho yo-yo yopon