c-dot c-p-c c-pop ccccc cd-np cnnnn co-co co-np co-op cocc- cocco cocon cocto codco codo codon conco condo cono- conon conop contd contn conto coopt coppo copto coton cott- cotto cpctc d-con d-dot dconn ddddd ddntp do-do dodon dodoo dondo donon donot doodo dotoo dotto dpond n-p-n ndpcp nnooo no-do no-no no-op noct- nocto nodto nondo nonno nonop nonot nonpc notdo notno noto- noton notpc notto ntntd octo- octon odont onco- onond onont onoon onoto onpop onpot onto- ontoo ontop ooooo oopod opcon opdoc opnto opodo oppon opto- optot optto otono ototo p-n-p pctct po-on po-po pocno pocop podo- pondo ponto poond poopo popco popon popop poppo potco potoc poton potoo potop potto pptnt t-pop t-top tntnt to-do tocco toco- tonco tondo tono- tonod tonto topo- topon topot toppo topto toto- toton totoo totop ttttt