c-- ccc cck cco ccp ccs ccw ckc cko cks ckw co- coc cok coo cop cos cow cpc cpk cpo cpp cps cpw csc csk cso csp css csw cw- cwc cwk cwo cwp cws kcc kck kcp kcs kkc kkk kkp kks koc kok koo kop kos kow kpc kpk kpo kpp kps kpw ksc ksk kso ksp kss ksw kw- kwc kwk kwo kwp kws kww oc- occ ock oco ocp ocs ocw okc okk oko okp oks okw oo- ooc ook ooo oop oos oow op- opc opk opo opp ops opw os- osc osk oso osp oss osw owc owk owo owp ows oww p-p pcc pck pco pcp pcs pcw pkc pko pkp pks poc pok poo pop pos pow ppc ppk ppo ppp pps ppw ps- psc psk pso psp pss psw pwc pwo pwp pws scc sck sco scp scs scw sk- skc skk sko skp sks skw soc sok soo sop sos sow spc spk spo spp sps spw ss- ssc ssk sso ssp sss ssw swc swk swo swp sws wcc wck wco wcp wcs wcw wkc wko wkp wks wkw woc wok woo wop wos wow wpc wpk wpo wpp wps wsc wsk wso wsp wss wsw wwc wwo wwp www