rcn rco rcr rcs rct rda rdc rdd rde rdg rdh rdn rdo rdr rds rdt re- rea rec red ree reg reh ren reo rer res ret rga rgc rgd rge rgg rgh rgn rgo rgr rgs rgt rh- rha rhc rhd rhe rhg rhh rhn rho rhr rhs rht rna rnc rnd rng rnh rnn rno rnr rns rnt roa roc rod roe rog roh ron roo ror ros rot rra rrc rrd rrg rrh rrn rrr rrs rrt rsa rsc rsd rse rsg rsh rsn rso rsr rss rst rta rtc rtd rte rtg rtn rto rtr rts rtt saa sac sad sae sag sah san sao sar sas sat sca scc scd sce scg sch scn sco scr scs sct sda sdc sdd sde sdg sdh sdn sdo sdr sds sdt se- sea sec sed see seg seh sen seo ser ses set sga sgc sgd sge sgg sgh sgn sgo sgr sgs sgt sh- sha shc shd she shg shh shn sho shr shs sht sna snc snd sne sng snn sno snr sns snt soa soc sod soe sog soh son soo sor sos sot sr- sra src srd sre srg srh srn sro srr srs srt ss- ssa ssc ssd sse ssg ssh ssn sso ssr sss sst sta stc std ste stg sth stn sto str sts stt taa tac tad tae tag tah tan tao tar tas tat tca tcc tcd tce tcg tch tcn tco tcr tcs tct tda tdc tdd tde tdg tdh tdn tdo tdr tds tdt te- tea tec ted tee teg teh ten teo ter tes tet tga tgc tge tgg tgh tgn tgo tgr tgs tgt th- tha thc thd the thg thh thn tho thr ths tht tna tnc tnd tne tng tnh tnn tno tnr tns tnt to- toa toc tod toe tog toh ton too tor tos tot tra trc trd tre trg trh trn tro trr trs trt tsa tsc tsd tse tsg tsh tsn tso tsr tss tst tta ttc ttd tte ttg tth ttn tto ttr tts ttt