rap rar ras rat rda rdd rdg rdi rdl rdn rdo rdp rdr rds rdt rga rgd rgg rgi rgn rgo rgp rgr rgs rgt ria rid rig rii ril rin rio rip rir ris rit rla rld rlg rli rll rln rlo rlp rlr rls rlt rna rnd rng rni rnn rno rnp rnr rns rnt roa rod rog roi rol ron roo rop ror ros rot rpa rpd rpg rpi rpl rpn rpo rpp rpr rps rpt rra rrd rrg rri rrl rrn rrp rrr rrs rrt rsa rsd rsg rsi rsl rsn rso rsp rsr rss rst rta rtd rtg rti rtl rtn rto rtp rtr rts rtt saa sad sag sai sal san sao sap sar sas sat sda sdd sdg sdi sdl sdn sdo sdp sdr sds sdt sga sgd sgg sgi sgl sgn sgo sgp sgr sgs sgt sia sid sig sii sil sin sio sip sir sis sit sla sld slg sli sll sln slo slp slr sls slt sna snd sng sni snl snn sno snp snr sns snt soa sod sog soi sol son soo sop sor sos sot spa spd spg spi spl spn spo spp spr sps spt sr- sra srd srg sri srl srn sro srp srr srs srt ss- ssa ssd ssg ssi ssl ssn sso ssp ssr sss sst sta std stg sti stl stn sto stp str sts stt taa tad tag tai tal tan tao tap tar tas tat tda tdd tdg tdi tdl tdn tdo tdp tdr tds tdt tga tgg tgi tgl tgn tgo tgp tgr tgs tgt tia tid tig tii til tin tio tip tir tis tit tla tld tlg tli tll tln tlo tlp tlr tls tlt tna tnd tng tni tnl tnn tno tnp tnr tns tnt to- toa tod tog toi tol ton too top tor tos tot tpa tpd tpg tpi tpl tpn tpo tpp tpr tps tpt tra trd trg tri trl trn tro trp trr trs trt tsa tsd tsg tsi tsl tsn tso tsp tsr tss tst tta ttd ttg tti ttl ttn tto ttp ttr tts ttt