c-- ccc cch cck cco ccp ccr ccs ch- chc chh chk cho chp chr chs ckc ckh cko cks co- coc coh cok coo cop cor cos cpc cph cpk cpo cpp cpr cps crc crh crk cro crp crr crs csc csh csk cso csp csr css hcc hch hck hco hcp hcr hcs hhc hhh hhk hho hhp hhr hhs hkh hkk hko hkp hkr hks hoc hoh hok hoo hop hor hos hpc hph hpk hpo hpp hpr hps hr- hrc hrh hrk hro hrp hrr hrs hsc hsh hsk hsp hsr hss kcc kch kck kcp kcr kcs khh khk kho khr khs kkc kkh kkk kkp kkr kks koc koh kok koo kop kor kos kpc kph kpk kpo kpp kpr kps krc krk kro krp krr krs ksc ksh ksk kso ksp ksr kss oc- occ och ock oco ocp ocr ocs ohc ohh oho ohp ohr ohs okc okk oko okp okr oks oo- ooc ooh ook ooo oop oor oos op- opc oph opk opo opp opr ops or- orc orh ork oro orp orr ors os- osc osh osk oso osp osr oss p-p pcc pch pck pco pcp pcr pcs phc phk pho php phr phs pkc pko pkp pkr pks poc poh pok poo pop por pos ppc pph ppk ppo ppp ppr pps prc prh prk pro prp prr prs ps- psc psh psk pso psp psr pss rcc rch rco rcp rcr rcs rh- rhc rhh rho rhp rhr rhs rkc rkk rko rkp rks roc roh rok roo rop ror ros rpc rph rpk rpo rpp rpr rps rrc rrh rrk rrp rrr rrs rsc rsh rsk rso rsp rsr rss scc sch sck sco scp scr scs sh- shc shh shk sho shp shr shs sk- skc skh skk sko skp skr sks soc soh sok soo sop sor sos spc sph spk spo spp spr sps sr- src srh srk sro srp srr srs ss- ssc ssh ssk sso ssp ssr sss