-er c-- ccc cce cch ccm cco ccr ccs ce- cec cee ceh cem ceo cer ces ch- chc che chh chm cho chr chs cmc cme cmh cmm cmo cmr cms co- coc coe coh com coo cor cos crc cre crh crm cro crr crs csc cse csh csm cso csr css ec- ecc ece ech ecm eco ecr ecs eec eee eem eeo eer ees ehc ehe ehh ehm eho ehr ehs em- emc eme emh emm emo emr ems eo- eoc eoe eoh eom eoo eor eos erc ere erh erm ero err ers es- esc ese esh esm eso esr ess hcc hce hch hcm hco hcr hcs he- hec hee heh hem heo her hes hhc hhe hhh hhm hho hhr hhs hmc hme hmh hmm hmo hmr hms hoc hoe hoh hom hoo hor hos hr- hrc hre hrh hrm hro hrr hrs hsc hse hsh hsm hsr hss m-o m-r mc- mcc mce mch mcm mco mcr mcs mec mee meh mem meo mer mes mhc mhh mhm mho mhr mhs mmc mme mmh mmm mmo mmr mms moc moe moh mom moo mor mos mrc mre mrh mrm mro mrr mrs msc mse msh msm mso msr mss oc- occ och ocm oco ocr ocs oec oee oeh oem oeo oer oes ohc ohe ohh ohm oho ohr ohs om- omc ome omh omm omo omr oms oo- ooc ooh oom ooo oor oos or- orc ore orh orm oro orr ors os- osc ose osh osm oso osr oss rcc rce rch rcm rco rcr rcs re- rec ree reh rem reo rer res rh- rhc rhe rhh rhm rho rhr rhs rmc rme rmh rmm rmo rmr rms roc roe roh rom roo ror ros rrc rrh rrm rrr rrs rsc rse rsh rsm rso rsr rss scc sce sch scm sco scr scs se- sec see seh sem seo ser ses sh- shc she shh shm sho shr shs smc sme smh smm smo smr sms soc soe soh som soo sor sos sr- src sre srh srm sro srr srs ss- ssc sse ssh ssm sso ssr sss