rag rai ral rao rap rar ras rat rda rdd rde rdg rdi rdl rdo rdp rdr rds rdt re- rea red ree reg rei rel reo rep rer res ret rga rgd rge rgg rgi rgo rgp rgr rgs rgt ria rid rie rig rii ril rio rip rir ris rit rla rld rle rlg rli rll rlo rlp rlr rls rlt roa rod roe rog roi rol roo rop ror ros rot rpa rpd rpe rpg rpi rpl rpo rpp rpr rps rpt rra rrd rrg rri rrl rrp rrr rrs rrt rsa rsd rse rsg rsi rsl rso rsp rsr rss rst rta rtd rte rtg rti rtl rto rtp rtr rts rtt saa sad sae sag sai sal sao sap sar sas sat sda sdd sde sdg sdi sdl sdo sdp sdr sds sdt se- sea sed see seg sei sel seo sep ser ses set sga sgd sge sgg sgi sgl sgo sgp sgr sgs sgt sia sid sie sig sii sil sio sip sir sis sit sla sld sle slg sli sll slo slp slr sls slt soa sod soe sog soi sol soo sop sor sos sot spa spd spe spg spi spl spo spp spr sps spt sr- sra srd sre srg sri srl sro srp srr srs srt ss- ssa ssd sse ssg ssi ssl sso ssp ssr sss sst sta std ste stg sti stl sto stp str sts stt taa tad tae tag tai tal tao tap tar tas tat tda tdd tde tdg tdi tdl tdo tdp tdr tds tdt te- tea ted tee teg tei tel teo tep ter tes tet tga tge tgg tgi tgl tgo tgp tgr tgs tgt tia tid tie tig tii til tio tip tir tis tit tla tld tle tlg tli tll tlo tlp tlr tls tlt to- toa tod toe tog toi tol too top tor tos tot tpa tpd tpe tpg tpi tpl tpo tpp tpr tps tpt tra trd tre trg tri trl tro trp trr trs trt tsa tsd tse tsg tsi tsl tso tsp tsr tss tst tta ttd tte ttg tti ttl tto ttp ttr tts ttt