cccc cccl cccp cclc ccnc ccnp ccoc ccpl ccpn ccpp clon cloo clop cloz clpp cnco cncp cnnz coco cocp col- coll coln colo colp con- conc conn cono cool coon coop copo copp cozz cplc czon lccc lcpc lcpl llcc lllc llll lloc lloo locc locn loco loll lolo lolz lono looc lool loon loop looz lopp lppl lzop nccc nccn nccp nclc ncln ncnc ncoc ncpc nlcc nlpc nnnn nocl noco noll nolo nolp non- nonn nono noo- nool noon nooo noop npcc nppc nppl nzcc nzpc nzpp occc occn oclc ocon ocpp olcc ollo olon olpc onc- onco onno onon onoz onzo oolo oooo opo- opon oppo ozon pccc pccl pcll pclo pcpn pcpp plcc ploc plon ploo plop plpp pnln pnnl pnon pnpo pnpp poco poll polo ponc pono ponp pool poon poop pop- popc popo popp pozo ppcc pplo pppn pppo pppp pzzl zloc zoco zoll zolo zon- zoo- zool zoon zoop zopl zozo zzzz