rci rcl rcn rcp rcr rcs rct rdb rdc rdd rde rdi rdl rdn rdp rdr rds rdt re- reb rec red ree rei rel ren rep rer res ret rib ric rid rie rii ril rin rip rir ris rit rlc rld rle rli rll rln rlp rlr rls rlt rnb rnc rnd rni rnn rnp rnr rns rnt rpb rpc rpd rpe rpi rpl rpn rpp rpr rps rpt rrb rrc rrd rri rrl rrn rrp rrr rrs rrt rsb rsc rsd rse rsi rsl rsn rsp rsr rss rst rtb rtc rtd rte rti rtl rtn rtp rtr rts rtt sbb sbc sbd sbe sbi sbl sbn sbp sbr sbs sbt scb scc scd sce sci scl scn scp scr scs sct sdb sdc sdd sde sdi sdl sdn sdp sdr sds sdt se- seb sec sed see sei sel sen sep ser ses set sib sic sid sie sii sil sin sip sir sis sit slb slc sld sle sli sll sln slp slr sls slt snb snc snd sne sni snl snn snp snr sns snt spb spc spd spe spi spl spn spp spr sps spt sr- srb src srd sre sri srl srn srp srr srs srt ss- ssb ssc ssd sse ssi ssl ssn ssp ssr sss sst stb stc std ste sti stl stn stp str sts stt tbb tbc tbd tbe tbi tbl tbn tbp tbr tbs tbt tcb tcc tcd tce tci tcl tcn tcp tcr tcs tct tdb tdc tdd tde tdi tdl tdn tdp tdr tds tdt te- teb tec ted tee tei tel ten tep ter tes tet tib tic tid tie tii til tin tip tir tis tit tlc tld tle tli tll tln tlp tlr tls tlt tnb tnc tnd tne tni tnl tnn tnp tnr tns tnt tpb tpc tpd tpe tpi tpl tpn tpp tpr tps tpt trb trc trd tre tri trl trn trp trr trs trt tsb tsc tsd tse tsi tsl tsn tsp tsr tss tst ttb ttc ttd tte tti ttl ttn ttp ttr tts ttt