rch rci rcr rcs rct rda rdc rdd rde rdf rdg rdh rdi rdr rds rdt re- rea rec red ree ref reg reh rei rer res ret rfa rfc rfd rfe rff rfg rfh rfi rfr rfs rft rga rgc rgd rge rgf rgg rgh rgi rgr rgs rgt rh- rha rhc rhd rhe rhf rhg rhh rhi rhr rhs rht ria ric rid rie rif rig rih rii rir ris rit rra rrc rrd rrf rrg rrh rri rrr rrs rrt rsa rsc rsd rse rsf rsg rsh rsi rsr rss rst rta rtc rtd rte rtf rtg rti rtr rts rtt saa sac sad sae saf sag sah sai sar sas sat sca scc scd sce scf scg sch sci scr scs sct sda sdc sdd sde sdf sdg sdh sdi sdr sds sdt se- sea sec sed see sef seg seh sei ser ses set sfa sfc sfd sfe sff sfg sfh sfi sfr sfs sft sga sgc sgd sge sgf sgg sgh sgi sgr sgs sgt sh- sha shc shd she shf shg shh shi shr shs sht sia sic sid sie sif sig sih sii sir sis sit sr- sra src srd sre srf srg srh sri srr srs srt ss- ssa ssc ssd sse ssf ssg ssh ssi ssr sss sst sta stc std ste stf stg sth sti str sts stt taa tac tad tae taf tag tah tai tar tas tat tca tcc tcd tce tcf tcg tch tci tcr tcs tct tda tdc tdd tde tdf tdg tdh tdi tdr tds tdt te- tea tec ted tee tef teg teh tei ter tes tet tfa tfc tfd tfe tff tfg tfh tfi tfr tfs tft tga tgc tge tgf tgg tgh tgi tgr tgs tgt th- tha thc thd the thf thg thh thi thr ths tht tia tic tid tie tif tig tih tii tir tis tit tra trc trd tre trf trg trh tri trr trs trt tsa tsc tsd tse tsf tsg tsh tsi tsr tss tst tta ttc ttd tte ttf ttg tth tti ttr tts ttt