cccc cccp cccu ccnc ccnp ccnu ccoc ccpn ccpp ccuc ccup cnco cncp coco cocp cocu con- conc conn cono coon coop copo copp coun coup cpcu cucc cucn cuno cunp cuon cupo cupp n-up nccc nccn nccp nccu ncnc ncoc ncpc nnnn noco non- nonn nono nonu noo- noon nooo noop noun noup npcc nppc nucu nunc nunn nuno nuoc nuon occc occn ocon ocpp onc- onco onno onon onpu onup oooo opo- opon oppo oucc oun- ouu- pccc pcpn pcpp pcun pnon pnpo pnpp pnup poco ponc pono ponp poon poop pop- popc popo popp poun poup ppcc pppn pppo pppp punc puno punu pupu puuc uccp ucon uncc unco uncp unno unon unop unpc uocc upnp upon uppc uppp uppu upup uucp uuno uuoc uuuu