-er -th c-- ccc ccd cce cch ccp ccr cct cdc cdd cde cdh cdp cdr cdt ce- cec ced cee ceh cep cer cet ch- chc chd che chh chp chr cht cpc cpd cpe cph cpp cpr cpt crc crd cre crh crp crr crt ctc ctd cte cth ctp ctr ctt dcc dcd dce dcp dcr dct ddc ddd dde ddh ddp ddr ddt de- dec ded dee deh dep der det dh- dhc dhd dhe dhh dhp dhr dht dpc dpd dpe dph dpp dpr dpt drc drd dre drp drr drt dtc dtd dte dth dtp dtr dtt ec- ecc ecd ece ech ecr ect ed- edc edd ede edh edp edr edt eec eed eee eep eer eet ehc ehd ehe ehh ehp ehr eht ep- epc epd epe eph epp epr ept erc erd ere erh erp err ert etc etd ete eth etp etr ett hcc hcd hce hch hcp hcr hct hdc hdd hde hdh hdp hdr hdt he- hec hed hee heh hep her het hhc hhd hhe hhh hhp hhr hht hpc hpd hpe hph hpp hpr hpt hr- hrc hrd hre hrh hrp hrr hrt htc htd hte hth htp htr htt p-p pcc pcd pce pch pcp pcr pct pdc pdd pde pdh pdp pdr pdt pec ped pee peh pep per pet phc phd phe php phr pht ppc ppd ppe pph ppp ppr ppt prc prd pre prh prp prr prt pt- ptc ptd pte pth ptp ptr ptt rcc rcd rce rch rcp rcr rct rdc rdd rde rdh rdp rdr rdt re- rec red ree reh rep rer ret rh- rhc rhd rhe rhh rhp rhr rht rpc rpd rpe rph rpp rpr rpt rrc rrd rrh rrp rrr rrt rtc rtd rte rtp rtr rtt tcc tcd tce tch tcp tcr tct tdc tdd tde tdh tdp tdr tdt te- tec ted tee teh tep ter tet th- thc thd the thh thp thr tht tpc tpd tpe tph tpp tpr tpt trc trd tre trh trp trr trt ttc ttd tte tth ttp ttr ttt