c-p-c c-pop ccccc cd-np cnnnn co-co co-np co-op cocc- cocco cocon codco codo codon conco condo cono- conon conop coppo d-con dconn ddddd do-do dodon dodoo dondo donon doodo dpond n-p-n ndpcp nnooo no-do no-no no-op nondo nonno nonop nonpc onco- onond onoon onpop ooooo oopod opcon opdoc opodo oppon p-n-p po-on po-po pocno pocop podo- pondo poond poopo popco popon popop poppo