-er -th c-- ccc ccd cce ccf cch ccr cct cdc cdd cde cdf cdh cdr cdt ce- cec ced cee cef ceh cer cet cfc cfd cfe cff cfh cfr cft ch- chc chd che chf chh chr cht crc crd cre crf crh crr crt ctc ctd cte ctf cth ctr ctt dcc dcd dce dcf dcr dct ddc ddd dde ddf ddh ddr ddt de- dec ded dee def deh der det dfc dfd dfe dff dfh dfr dft dh- dhc dhd dhe dhf dhh dhr dht drc drd dre drr drt dtc dtd dte dtf dth dtr dtt ec- ecc ecd ece ecf ech ecr ect ed- edc edd ede edf edh edr edt eec eed eee eef eer eet ef- efc efd efe eff efh efr eft ehc ehd ehe ehf ehh ehr eht erc erd ere erf erh err ert etc etd ete etf eth etr ett fcc fcd fce fcf fcr fct fdc fdd fde fdf fdh fdr fdt fec fed fee fef feh fer fet ffc ffd ffe fff ffh ffr fft fhc fhe fhf fhh fhr frc frd fre frf frh frr frt ftc ftd fte ftf fth ftr ftt hcc hcd hce hcf hch hcr hct hdc hdd hde hdf hdh hdr hdt he- hec hed hee hef heh her het hfc hfd hfe hff hfh hfr hft hhc hhd hhe hhf hhh hhr hht hr- hrc hrd hre hrf hrh hrr hrt htc htd hte htf hth htr htt rcc rcd rce rcf rch rcr rct rdc rdd rde rdf rdh rdr rdt re- rec red ree ref reh rer ret rfc rfd rfe rff rfh rfr rft rh- rhc rhd rhe rhf rhh rhr rht rrc rrd rrf rrh rrr rrt rtc rtd rte rtf rtr rtt tcc tcd tce tcf tch tcr tct tdc tdd tde tdf tdh tdr tdt te- tec ted tee tef teh ter tet tfc tfd tfe tff tfh tfr tft th- thc thd the thf thh thr tht trc trd tre trf trh trr trt ttc ttd tte ttf tth ttr ttt