-er -th c-- ccc ccd cce ccf cch ccp ccr cct cdc cdd cde cdf cdh cdp cdr cdt ce- cec ced cee cef ceh cep cer cet cfc cfd cfe cff cfh cfp cfr cft ch- chc chd che chf chh chp chr cht cpc cpd cpe cpf cph cpp cpr cpt crc crd cre crf crh crp crr crt ctc ctd cte ctf cth ctp ctr ctt dcc dcd dce dcf dcp dcr dct ddc ddd dde ddf ddh ddp ddr ddt de- dec ded dee def deh dep der det dfc dfd dfe dff dfh dfp dfr dft dh- dhc dhd dhe dhf dhh dhp dhr dht dpc dpd dpe dpf dph dpp dpr dpt drc drd dre drp drr drt dtc dtd dte dtf dth dtp dtr dtt ec- ecc ecd ece ecf ech ecr ect ed- edc edd ede edf edh edp edr edt eec eed eee eef eep eer eet ef- efc efd efe eff efh efp efr eft ehc ehd ehe ehf ehh ehp ehr eht ep- epc epd epe epf eph epp epr ept erc erd ere erf erh erp err ert etc etd ete etf eth etp etr ett fcc fcd fce fcf fcp fcr fct fdc fdd fde fdf fdh fdp fdr fdt fec fed fee fef feh fep fer fet ffc ffd ffe fff ffh ffp ffr fft fhc fhe fhf fhh fhp fhr fpc fpd fpe fph fpp fpr fpt frc frd fre frf frh frp frr frt ftc ftd fte ftf fth ftp ftr ftt hcc hcd hce hcf hch hcp hcr hct hdc hdd hde hdf hdh hdp hdr hdt he- hec hed hee hef heh hep her het hfc hfd hfe hff hfh hfp hfr hft hhc hhd hhe hhf hhh hhp hhr hht hpc hpd hpe hpf hph hpp hpr hpt hr- hrc hrd hre hrf hrh hrp hrr hrt htc htd hte htf hth htp htr htt p-p pcc pcd pce pcf pch pcp pcr pct pdc pdd pde pdf pdh pdp pdr pdt pec ped pee pef peh pep per pet pfc pfd pfe pff pfp pfr pft phc phd phe phf php phr pht ppc ppd ppe ppf pph ppp ppr ppt prc prd pre prf prh prp prr prt pt- ptc ptd pte ptf pth ptp ptr ptt rcc rcd rce rcf rch rcp rcr rct rdc rdd rde rdf rdh rdp rdr rdt re- rec red ree ref reh rep rer ret rfc rfd rfe rff rfh rfp rfr rft rh- rhc rhd rhe rhf rhh rhp rhr rht rpc rpd rpe rpf rph rpp rpr rpt rrc rrd rrf rrh rrp rrr rrt rtc rtd rte rtf rtp rtr rtt tcc tcd tce tcf tch tcp tcr tct tdc tdd tde tdf tdh tdp tdr tdt te- tec ted tee tef teh tep ter tet tfc tfd tfe tff tfh tfp tfr tft th- thc thd the thf thh thp thr tht tpc tpd tpe tpf tph tpp tpr tpt trc trd tre trf trh trp trr trt ttc ttd tte ttf tth ttp ttr ttt