rag rai ram ran rar ras rat rca rcc rcd rce rcg rci rcm rcn rcr rcs rct rda rdc rdd rde rdg rdi rdm rdn rdr rds rdt re- rea rec red ree reg rei rem ren rer res ret rga rgc rgd rge rgg rgi rgn rgr rgs rgt ria ric rid rie rig rii rim rin rir ris rit rma rmc rmd rme rmg rmi rmm rmn rmr rms rmt rna rnc rnd rng rni rnm rnn rnr rns rnt rra rrc rrd rrg rri rrm rrn rrr rrs rrt rsa rsc rsd rse rsg rsi rsm rsn rsr rss rst rta rtc rtd rte rtg rti rtm rtn rtr rts rtt saa sac sad sae sag sai sam san sar sas sat sca scc scd sce scg sci scm scn scr scs sct sda sdc sdd sde sdg sdi sdm sdn sdr sds sdt se- sea sec sed see seg sei sem sen ser ses set sga sgc sgd sge sgg sgi sgm sgn sgr sgs sgt sia sic sid sie sig sii sim sin sir sis sit sma smc smd sme smg smi smm smn smr sms smt sna snc snd sne sng sni snm snn snr sns snt sr- sra src srd sre srg sri srm srn srr srs srt ss- ssa ssc ssd sse ssg ssi ssm ssn ssr sss sst sta stc std ste stg sti stm stn str sts stt taa tac tad tae tag tai tam tan tar tas tat tca tcc tcd tce tcg tci tcm tcn tcr tcs tct tda tdc tdd tde tdg tdi tdm tdn tdr tds tdt te- tea tec ted tee teg tei tem ten ter tes tet tga tgc tge tgg tgi tgm tgn tgr tgs tgt tia tic tid tie tig tii tim tin tir tis tit tma tmc tmd tme tmg tmi tmm tmn tmr tms tmt tna tnc tnd tne tng tni tnm tnn tnr tns tnt tra trc trd tre trg tri trm trn trr trs trt tsa tsc tsd tse tsg tsi tsm tsn tsr tss tst tta ttc ttd tte ttg tti ttm ttn ttr tts ttt