n-p-n nnooo no-no no-op nonno nonny nonop nonot noppy notno noto- noton notto notty noyon onont onoon onoto onpop onpot onto- ontoo ontop onyon ooooo opnto oppon opto- optot optto opypy otono ototo otyn p-n-p po-on po-po ponto ponty ponyo poopo poopy pooty popon popop poppo poppy poton potoo potop potto potty poynt pptnt pynn- pynon pynot pyoty pypyn pyton t-pop t-top tntnt tonny tono- tonto topo- topon topot toppo toppy topto toto- toton totoo totop totty toyon ttttt typo- typto yo-yo yopon yotto ytynt