nnnn nnpr non- nonn nono noo- noon nooo noop noor nor- norn noro norr nory noyo noyz nron nrpn nyny nyon nyro nzpp onno onon onor onoy onoz onzo onzy oooo oory oozy opo- opon opor oppo oppy opry orno orny oro- oron oror oroy oroz orro orry orzo oyon ozon ozzy pnon pnpo pnpp pnro pono ponp pony poon poop poor pop- popo popp popy porn poro porr pory porz poyn poyo poyr pozo pppn pppo pppp prnp pro- pron proo prop proz pyn- pyo- pyon pypy pyr- pyro pyry pyzy rono rony roon roop roor rooz ropo ropy roro rory royn rozz rpon rppn rrrr rynn ryon ynon yono yoon yoop yooz yopo yopy yorn yoro yory yoyn yoyo yozo yron yryn yyyy z-ro zon- zony zoo- zoon zoop zopy zorn zoro zory zozo zypp zzzz