cccc cccp cccu ccnc ccnp ccnu ccny ccoc ccpn ccpp ccuc ccup cnco cncp coco cocp cocu con- conc conn cono cony coon coop copo copp copy coun coup couy coyn coyo cpcu cucc cucn cuno cunp cuny cuon cupo cupp cuy- cuyo cuyp cyc- cycc cyn- cyno cyon cypc cyun cyy- cyyc cyyn n-up nccc nccn nccp nccu ncnc ncoc ncpc nnnn noco non- nonn nono nonu noo- noon nooo noop noun noup noyo npcc nppc nucu nunc nunn nuno nuny nuoc nuon nycc nyco nycy nyny nyon nypc occc occn ocon ocpp onc- onco onno onon onoy onpu onup oooo opo- opon oppo oppy oucc oun- ouu- oyon oyou oyun pccc pcpn pcpp pcun pnon pnpo pnpp pnup poco ponc pono ponp pony poon poop pop- popc popo popp popy poun poup pouy poyn poyo ppcc pppn pppo pppp punc puno punu puny puoy pupu pupy puuc puy- puyo pyn- pyo- pyon pypy uccp ucon uncc unco uncp unno unon unop unpc uocc upnp upon uppc uppp uppu uppy upup uucp uuno uuoc uuuu uuyn yccc ynon ynou yono yoon yoop yopo yopy youp yoyn yoyo ypcc yuny yuon yuyu yyyy