c-- ccc ccf cch cck cco ccp ccr ccs cfc cff cfh cfk cfo cfp cfr cfs ch- chc chf chh chk cho chp chr chs ckc ckh cko cks co- coc cof coh cok coo cop cor cos cpc cpf cph cpk cpo cpp cpr cps crc crf crh crk cro crp crr crs csc csf csh csk cso csp csr css fcc fcf fck fco fcp fcr fcs ffc fff ffh ffk ffo ffp ffr ffs fhc fhf fhh fho fhp fhr fhs fkc fkf fkk fkp foc fof foh fok foo fop for fos fpc fph fpk fpo fpp fpr fps frc frf frh frk fro frp frr frs fsc fsf fsh fsk fso fsp fsr fss hcc hcf hch hck hco hcp hcr hcs hfc hff hfh hfk hfo hfp hfr hfs hhc hhf hhh hhk hho hhp hhr hhs hkf hkh hkk hko hkp hkr hks hoc hof hoh hok hoo hop hor hos hpc hpf hph hpk hpo hpp hpr hps hr- hrc hrf hrh hrk hro hrp hrr hrs hsc hsf hsh hsk hsp hsr hss kcc kch kck kcp kcr kcs kfc kff kfh kfo kfs khf khh khk kho khr khs kkc kkh kkk kkp kkr kks koc kof koh kok koo kop kor kos kpc kpf kph kpk kpo kpp kpr kps krc krf krk kro krp krr krs ksc ksf ksh ksk kso ksp ksr kss oc- occ ocf och ock oco ocp ocr ocs of- ofc off ofo ofp ofr ofs ohc ohf ohh oho ohp ohr ohs okc okk oko okp okr oks oo- ooc oof ooh ook ooo oop oor oos op- opc opf oph opk opo opp opr ops or- orc orf orh ork oro orp orr ors os- osc osf osh osk oso osp osr oss p-p pcc pcf pch pck pco pcp pcr pcs pfc pff pfk pfo pfp pfr pfs phc phf phk pho php phr phs pkc pkf pko pkp pkr pks poc pof poh pok poo pop por pos ppc ppf pph ppk ppo ppp ppr pps prc prf prh prk pro prp prr prs ps- psc psf psh psk pso psp psr pss rcc rcf rch rco rcp rcr rcs rfc rff rfh rfk rfo rfp rfr rfs rh- rhc rhf rhh rho rhp rhr rhs rkc rkf rkk rko rkp rks roc rof roh rok roo rop ror ros rpc rpf rph rpk rpo rpp rpr rps rrc rrf rrh rrk rrp rrr rrs rsc rsf rsh rsk rso rsp rsr rss scc scf sch sck sco scp scr scs sfc sff sfh sfk sfo sfp sfr sfs sh- shc shf shh shk sho shp shr shs sk- skc skf skh skk sko skp skr sks soc sof soh sok soo sop sor sos spc spf sph spk spo spp spr sps sr- src srf srh srk sro srp srr srs ss- ssc ssf ssh ssk sso ssp ssr sss