rae rag rai ran rao rap rar ras rat rda rdd rde rdg rdi rdn rdo rdp rdr rds rdt re- rea red ree reg rei ren reo rep rer res ret rga rgd rge rgg rgi rgn rgo rgp rgr rgs rgt ria rid rie rig rii rin rio rip rir ris rit rna rnd rng rni rnn rno rnp rnr rns rnt roa rod roe rog roi ron roo rop ror ros rot rpa rpd rpe rpg rpi rpn rpo rpp rpr rps rpt rra rrd rrg rri rrn rrp rrr rrs rrt rsa rsd rse rsg rsi rsn rso rsp rsr rss rst rta rtd rte rtg rti rtn rto rtp rtr rts rtt saa sad sae sag sai san sao sap sar sas sat sda sdd sde sdg sdi sdn sdo sdp sdr sds sdt se- sea sed see seg sei sen seo sep ser ses set sga sgd sge sgg sgi sgn sgo sgp sgr sgs sgt sia sid sie sig sii sin sio sip sir sis sit sna snd sne sng sni snn sno snp snr sns snt soa sod soe sog soi son soo sop sor sos sot spa spd spe spg spi spn spo spp spr sps spt sr- sra srd sre srg sri srn sro srp srr srs srt ss- ssa ssd sse ssg ssi ssn sso ssp ssr sss sst sta std ste stg sti stn sto stp str sts stt taa tad tae tag tai tan tao tap tar tas tat tda tdd tde tdg tdi tdn tdo tdp tdr tds tdt te- tea ted tee teg tei ten teo tep ter tes tet tga tge tgg tgi tgn tgo tgp tgr tgs tgt tia tid tie tig tii tin tio tip tir tis tit tna tnd tne tng tni tnn tno tnp tnr tns tnt to- toa tod toe tog toi ton too top tor tos tot tpa tpd tpe tpg tpi tpn tpo tpp tpr tps tpt tra trd tre trg tri trn tro trp trr trs trt tsa tsd tse tsg tsi tsn tso tsp tsr tss tst tta ttd tte ttg tti ttn tto ttp ttr tts ttt