ran rap rar ras rat rda rdd rde rdf rdi rdl rdn rdp rdr rds rdt re- rea red ree ref rei rel ren rep rer res ret rfa rfd rfe rff rfi rfl rfn rfp rfr rfs rft ria rid rie rif rii ril rin rip rir ris rit rla rld rle rlf rli rll rln rlp rlr rls rlt rna rnd rni rnn rnp rnr rns rnt rpa rpd rpe rpf rpi rpl rpn rpp rpr rps rpt rra rrd rrf rri rrl rrn rrp rrr rrs rrt rsa rsd rse rsf rsi rsl rsn rsp rsr rss rst rta rtd rte rtf rti rtl rtn rtp rtr rts rtt saa sad sae saf sai sal san sap sar sas sat sda sdd sde sdf sdi sdl sdn sdp sdr sds sdt se- sea sed see sef sei sel sen sep ser ses set sfa sfd sfe sff sfi sfl sfn sfp sfr sfs sft sia sid sie sif sii sil sin sip sir sis sit sla sld sle slf sli sll sln slp slr sls slt sna snd sne snf sni snl snn snp snr sns snt spa spd spe spf spi spl spn spp spr sps spt sr- sra srd sre srf sri srl srn srp srr srs srt ss- ssa ssd sse ssf ssi ssl ssn ssp ssr sss sst sta std ste stf sti stl stn stp str sts stt taa tad tae taf tai tal tan tap tar tas tat tda tdd tde tdf tdi tdl tdn tdp tdr tds tdt te- tea ted tee tef tei tel ten tep ter tes tet tfa tfd tfe tff tfi tfl tfn tfp tfr tfs tft tia tid tie tif tii til tin tip tir tis tit tla tld tle tlf tli tll tln tlp tlr tls tlt tna tnd tne tnf tni tnl tnn tnp tnr tns tnt tpa tpd tpe tpf tpi tpl tpn tpp tpr tps tpt tra trd tre trf tri trl trn trp trr trs trt tsa tsd tse tsf tsi tsl tsn tsp tsr tss tst tta ttd tte ttf tti ttl ttn ttp ttr tts ttt