ran rap rar ras rat rba rbb rbd rbe rbg rbi rbn rbp rbr rbs rbt rda rdb rdd rde rdg rdi rdn rdp rdr rds rdt re- rea reb red ree reg rei ren rep rer res ret rga rgb rgd rge rgg rgi rgn rgp rgr rgs rgt ria rib rid rie rig rii rin rip rir ris rit rna rnb rnd rng rni rnn rnp rnr rns rnt rpa rpb rpd rpe rpg rpi rpn rpp rpr rps rpt rra rrb rrd rrg rri rrn rrp rrr rrs rrt rsa rsb rsd rse rsg rsi rsn rsp rsr rss rst rta rtb rtd rte rtg rti rtn rtp rtr rts rtt saa sab sad sae sag sai san sap sar sas sat sba sbb sbd sbe sbg sbi sbn sbp sbr sbs sbt sda sdb sdd sde sdg sdi sdn sdp sdr sds sdt se- sea seb sed see seg sei sen sep ser ses set sga sgb sgd sge sgg sgi sgn sgp sgr sgs sgt sia sib sid sie sig sii sin sip sir sis sit sna snb snd sne sng sni snn snp snr sns snt spa spb spd spe spg spi spn spp spr sps spt sr- sra srb srd sre srg sri srn srp srr srs srt ss- ssa ssb ssd sse ssg ssi ssn ssp ssr sss sst sta stb std ste stg sti stn stp str sts stt taa tab tad tae tag tai tan tap tar tas tat tba tbb tbd tbe tbg tbi tbn tbp tbr tbs tbt tda tdb tdd tde tdg tdi tdn tdp tdr tds tdt te- tea teb ted tee teg tei ten tep ter tes tet tga tgb tge tgg tgi tgn tgp tgr tgs tgt tia tib tid tie tig tii tin tip tir tis tit tna tnb tnd tne tng tni tnn tnp tnr tns tnt tpa tpb tpd tpe tpg tpi tpn tpp tpr tps tpt tra trb trd tre trg tri trn trp trr trs trt tsa tsb tsd tse tsg tsi tsn tsp tsr tss tst tta ttb ttd tte ttg tti ttn ttp ttr tts ttt