-er -th c-- ccc ccd cce ccf cch cco ccr cct cdc cdd cde cdf cdh cdo cdr cdt ce- cec ced cee cef ceh ceo cer cet cfc cfd cfe cff cfh cfo cfr cft ch- chc chd che chf chh cho chr cht co- coc cod coe cof coh coo cor cot crc crd cre crf crh cro crr crt ctc ctd cte ctf cth cto ctr ctt dcc dcd dce dcf dco dcr dct ddc ddd dde ddf ddh ddo ddr ddt de- dec ded dee def deh deo der det dfc dfd dfe dff dfh dfo dfr dft dh- dhc dhd dhe dhf dhh dho dhr dht doc dod doe dof doh doo dor dot drc drd dre dro drr drt dtc dtd dte dtf dth dto dtr dtt ec- ecc ecd ece ecf ech eco ecr ect ed- edc edd ede edf edh edo edr edt eec eed eee eef eeo eer eet ef- efc efd efe eff efh efo efr eft ehc ehd ehe ehf ehh eho ehr eht eo- eoc eod eoe eof eoh eoo eor eot erc erd ere erf erh ero err ert etc etd ete etf eth eto etr ett fcc fcd fce fcf fco fcr fct fdc fdd fde fdf fdh fdo fdr fdt fec fed fee fef feh feo fer fet ffc ffd ffe fff ffh ffo ffr fft fhc fhe fhf fhh fho fhr foc foe fof foh foo for fot frc frd fre frf frh fro frr frt ftc ftd fte ftf fth fto ftr ftt hcc hcd hce hcf hch hco hcr hct hdc hdd hde hdf hdh hdo hdr hdt he- hec hed hee hef heh heo her het hfc hfd hfe hff hfh hfo hfr hft hhc hhd hhe hhf hhh hho hhr hht hoc hod hoe hof hoh hoo hor hot hr- hrc hrd hre hrf hrh hro hrr hrt htc htd hte htf hth hto htr htt oc- occ ocd ocf och oco ocr oct odc odd ode odf odh odo odr odt oec oed oee oef oeh oeo oer oet of- ofc ofd ofe off ofo ofr oft ohc ohd ohe ohf ohh oho ohr oht oo- ooc ood oof ooh ooo oor oot or- orc ord ore orf orh oro orr ort ot- otc otd ote otf oth oto otr ott rcc rcd rce rcf rch rco rcr rct rdc rdd rde rdf rdh rdo rdr rdt re- rec red ree ref reh reo rer ret rfc rfd rfe rff rfh rfo rfr rft rh- rhc rhd rhe rhf rhh rho rhr rht roc rod roe rof roh roo ror rot rrc rrd rrf rrh rrr rrt rtc rtd rte rtf rto rtr rtt tcc tcd tce tcf tch tco tcr tct tdc tdd tde tdf tdh tdo tdr tdt te- tec ted tee tef teh teo ter tet tfc tfd tfe tff tfh tfo tfr tft th- thc thd the thf thh tho thr tht to- toc tod toe tof toh too tor tot trc trd tre trf trh tro trr trt ttc ttd tte ttf tth tto ttr ttt