-er c-- ccc cce cch ccm ccr ccs ce- cec cee ceh cem cer ces ch- chc che chh chm chr chs cmc cme cmh cmm cmr cms crc cre crh crm crr crs csc cse csh csm csr css ec- ecc ece ech ecm ecr ecs eec eee eem eer ees ehc ehe ehh ehm ehr ehs em- emc eme emh emm emr ems erc ere erh erm err ers es- esc ese esh esm esr ess hcc hce hch hcm hcr hcs he- hec hee heh hem her hes hhc hhe hhh hhm hhr hhs hmc hme hmh hmm hmr hms hr- hrc hre hrh hrm hrr hrs hsc hse hsh hsm hsr hss m-r mc- mcc mce mch mcm mcr mcs mec mee meh mem mer mes mhc mhh mhm mhr mhs mmc mme mmh mmm mmr mms mrc mre mrh mrm mrr mrs msc mse msh msm msr mss rcc rce rch rcm rcr rcs re- rec ree reh rem rer res rh- rhc rhe rhh rhm rhr rhs rmc rme rmh rmm rmr rms rrc rrh rrm rrr rrs rsc rse rsh rsm rsr rss scc sce sch scm scr scs se- sec see seh sem ser ses sh- shc she shh shm shr shs smc sme smh smm smr sms sr- src sre srh srm srr srs ss- ssc sse ssh ssm ssr sss