ras rat rca rcc rcd rce rcg rch rco rcp rcr rcs rct rda rdc rdd rde rdg rdh rdo rdp rdr rds rdt re- rea rec red ree reg reh reo rep rer res ret rga rgc rgd rge rgg rgh rgo rgp rgr rgs rgt rh- rha rhc rhd rhe rhg rhh rho rhp rhr rhs rht roa roc rod roe rog roh roo rop ror ros rot rpa rpc rpd rpe rpg rph rpo rpp rpr rps rpt rra rrc rrd rrg rrh rrp rrr rrs rrt rsa rsc rsd rse rsg rsh rso rsp rsr rss rst rta rtc rtd rte rtg rto rtp rtr rts rtt saa sac sad sae sag sah sao sap sar sas sat sca scc scd sce scg sch sco scp scr scs sct sda sdc sdd sde sdg sdh sdo sdp sdr sds sdt se- sea sec sed see seg seh seo sep ser ses set sga sgc sgd sge sgg sgh sgo sgp sgr sgs sgt sh- sha shc shd she shg shh sho shp shr shs sht soa soc sod soe sog soh soo sop sor sos sot spa spc spd spe spg sph spo spp spr sps spt sr- sra src srd sre srg srh sro srp srr srs srt ss- ssa ssc ssd sse ssg ssh sso ssp ssr sss sst sta stc std ste stg sth sto stp str sts stt taa tac tad tae tag tah tao tap tar tas tat tca tcc tcd tce tcg tch tco tcp tcr tcs tct tda tdc tdd tde tdg tdh tdo tdp tdr tds tdt te- tea tec ted tee teg teh teo tep ter tes tet tga tgc tge tgg tgh tgo tgp tgr tgs tgt th- tha thc thd the thg thh tho thp thr ths tht to- toa toc tod toe tog toh too top tor tos tot tpa tpc tpd tpe tpg tph tpo tpp tpr tps tpt tra trc trd tre trg trh tro trp trr trs trt tsa tsc tsd tse tsg tsh tso tsp tsr tss tst tta ttc ttd tte ttg tth tto ttp ttr tts ttt