-er c-- ccc cce cch cck ccm cco ccr ccs ce- cec cee ceh cek cem ceo cer ces ch- chc che chh chk chm cho chr chs ckc ckh ckm cko cks cmc cme cmh cmk cmm cmo cmr cms co- coc coe coh cok com coo cor cos crc cre crh crk crm cro crr crs csc cse csh csk csm cso csr css ec- ecc ece ech eck ecm eco ecr ecs eec eee eek eem eeo eer ees ehc ehe ehh ehm eho ehr ehs ekc eke ekh eko ekr eks em- emc eme emh emk emm emo emr ems eo- eoc eoe eoh eok eom eoo eor eos erc ere erh erk erm ero err ers es- esc ese esh esk esm eso esr ess hcc hce hch hck hcm hco hcr hcs he- hec hee heh hek hem heo her hes hhc hhe hhh hhk hhm hho hhr hhs hkh hkk hkm hko hkr hks hmc hme hmh hmk hmm hmo hmr hms hoc hoe hoh hok hom hoo hor hos hr- hrc hre hrh hrk hrm hro hrr hrs hsc hse hsh hsk hsm hsr hss kcc kce kch kck kcm kcr kcs ke- kec kee keh kek kem keo ker kes khe khh khk khm kho khr khs kkc kke kkh kkk kkm kkr kks kmc kme kmh kmk kmm kmo kms koc koe koh kok kom koo kor kos krc krk kro krr krs ksc kse ksh ksk ksm kso ksr kss m-o m-r mc- mcc mce mch mck mcm mco mcr mcs mec mee meh mek mem meo mer mes mhc mhh mhk mhm mho mhr mhs mkc mke mkh mkk mkm mko mkr mks mmc mme mmh mmk mmm mmo mmr mms moc moe moh mok mom moo mor mos mrc mre mrh mrk mrm mro mrr mrs msc mse msh msk msm mso msr mss oc- occ och ock ocm oco ocr ocs oec oee oeh oem oeo oer oes ohc ohe ohh ohm oho ohr ohs okc oke okk oko okr oks om- omc ome omh omm omo omr oms oo- ooc ooh ook oom ooo oor oos or- orc ore orh ork orm oro orr ors os- osc ose osh osk osm oso osr oss rcc rce rch rcm rco rcr rcs re- rec ree reh rek rem reo rer res rh- rhc rhe rhh rhm rho rhr rhs rkc rke rkk rkm rko rks rmc rme rmh rmm rmo rmr rms roc roe roh rok rom roo ror ros rrc rrh rrk rrm rrr rrs rsc rse rsh rsk rsm rso rsr rss scc sce sch sck scm sco scr scs se- sec see seh sek sem seo ser ses sh- shc she shh shk shm sho shr shs sk- skc ske skh skk skm sko skr sks smc sme smh smk smm smo smr sms soc soe soh sok som soo sor sos sr- src sre srh srk srm sro srr srs ss- ssc sse ssh ssk ssm sso ssr sss