-er -th c-- ccc cce cch ccm ccr ccs cct ce- cec cee ceh cem cer ces cet ch- chc che chh chm chr chs cht cmc cme cmh cmm cmr cms cmt crc cre crh crm crr crs crt csc cse csh csm csr css cst ctc cte cth ctm ctr cts ctt ec- ecc ece ech ecm ecr ecs ect eec eee eem eer ees eet ehc ehe ehh ehm ehr ehs eht em- emc eme emh emm emr ems emt erc ere erh erm err ers ert es- esc ese esh esm esr ess est etc ete eth etm etr ets ett hcc hce hch hcm hcr hcs hct he- hec hee heh hem her hes het hhc hhe hhh hhm hhr hhs hht hmc hme hmh hmm hmr hms hmt hr- hrc hre hrh hrm hrr hrs hrt hsc hse hsh hsm hsr hss hst htc hte hth htm htr hts htt m-r mc- mcc mce mch mcm mcr mcs mct mec mee meh mem mer mes met mhc mhh mhm mhr mhs mht mmc mme mmh mmm mmr mms mmt mrc mre mrh mrm mrr mrs mrt msc mse msh msm msr mss mst mtc mte mth mtm mtr mts mtt rcc rce rch rcm rcr rcs rct re- rec ree reh rem rer res ret rh- rhc rhe rhh rhm rhr rhs rht rmc rme rmh rmm rmr rms rmt rrc rrh rrm rrr rrs rrt rsc rse rsh rsm rsr rss rst rtc rte rtm rtr rts rtt scc sce sch scm scr scs sct se- sec see seh sem ser ses set sh- shc she shh shm shr shs sht smc sme smh smm smr sms smt sr- src sre srh srm srr srs srt ss- ssc sse ssh ssm ssr sss sst stc ste sth stm str sts stt tcc tce tch tcm tcr tcs tct te- tec tee teh tem ter tes tet th- thc the thh thm thr ths tht tmc tme tmh tmm tmr tms tmt trc tre trh trm trr trs trt tsc tse tsh tsm tsr tss tst ttc tte tth ttm ttr tts ttt