rcc rcd rce rcg rch rci rcl rcr rcs rct rda rdc rdd rde rdg rdh rdi rdl rdr rds rdt re- rea rec red ree reg reh rei rel rer res ret rga rgc rgd rge rgg rgh rgi rgr rgs rgt rh- rha rhc rhd rhe rhg rhh rhi rhl rhr rhs rht ria ric rid rie rig rih rii ril rir ris rit rla rlc rld rle rlg rlh rli rll rlr rls rlt rra rrc rrd rrg rrh rri rrl rrr rrs rrt rsa rsc rsd rse rsg rsh rsi rsl rsr rss rst rta rtc rtd rte rtg rti rtl rtr rts rtt saa sac sad sae sag sah sai sal sar sas sat sca scc scd sce scg sch sci scl scr scs sct sda sdc sdd sde sdg sdh sdi sdl sdr sds sdt se- sea sec sed see seg seh sei sel ser ses set sga sgc sgd sge sgg sgh sgi sgl sgr sgs sgt sh- sha shc shd she shg shh shi shl shr shs sht sia sic sid sie sig sih sii sil sir sis sit sla slc sld sle slg slh sli sll slr sls slt sr- sra src srd sre srg srh sri srl srr srs srt ss- ssa ssc ssd sse ssg ssh ssi ssl ssr sss sst sta stc std ste stg sth sti stl str sts stt taa tac tad tae tag tah tai tal tar tas tat tca tcc tcd tce tcg tch tci tcl tcr tcs tct tda tdc tdd tde tdg tdh tdi tdl tdr tds tdt te- tea tec ted tee teg teh tei tel ter tes tet tga tgc tge tgg tgh tgi tgl tgr tgs tgt th- tha thc thd the thg thh thi thl thr ths tht tia tic tid tie tig tih tii til tir tis tit tla tlc tld tle tlg tlh tli tll tlr tls tlt tra trc trd tre trg trh tri trl trr trs trt tsa tsc tsd tse tsg tsh tsi tsl tsr tss tst tta ttc ttd tte ttg tth tti ttl ttr tts ttt