-er -th c-- ccc cce cch ccm ccp ccr cct ce- cec cee ceh cem cep cer cet ch- chc che chh chm chp chr cht cmc cme cmh cmm cmp cmr cmt cpc cpe cph cpm cpp cpr cpt crc cre crh crm crp crr crt ctc cte cth ctm ctp ctr ctt ec- ecc ece ech ecm ecr ect eec eee eem eep eer eet ehc ehe ehh ehm ehp ehr eht em- emc eme emh emm emp emr emt ep- epc epe eph epm epp epr ept erc ere erh erm erp err ert etc ete eth etm etp etr ett hcc hce hch hcm hcp hcr hct he- hec hee heh hem hep her het hhc hhe hhh hhm hhp hhr hht hmc hme hmh hmm hmp hmr hmt hpc hpe hph hpm hpp hpr hpt hr- hrc hre hrh hrm hrp hrr hrt htc hte hth htm htp htr htt m-r mc- mcc mce mch mcm mcp mcr mct mec mee meh mem mep mer met mhc mhh mhm mhp mhr mht mmc mme mmh mmm mmp mmr mmt mpc mpe mph mpm mpp mpr mpt mrc mre mrh mrm mrp mrr mrt mtc mte mth mtm mtp mtr mtt p-p pcc pce pch pcm pcp pcr pct pec pee peh pem pep per pet phc phe phm php phr pht pmc pme pmh pmm pmp pmr pmt ppc ppe pph ppm ppp ppr ppt prc pre prh prm prp prr prt pt- ptc pte pth ptm ptp ptr ptt rcc rce rch rcm rcp rcr rct re- rec ree reh rem rep rer ret rh- rhc rhe rhh rhm rhp rhr rht rmc rme rmh rmm rmp rmr rmt rpc rpe rph rpm rpp rpr rpt rrc rrh rrm rrp rrr rrt rtc rte rtm rtp rtr rtt tcc tce tch tcm tcp tcr tct te- tec tee teh tem tep ter tet th- thc the thh thm thp thr tht tmc tme tmh tmm tmp tmr tmt tpc tpe tph tpm tpp tpr tpt trc tre trh trm trp trr trt ttc tte tth ttm ttp ttr ttt