rdl rdr rds rdt re- rea reb red ree ref reg reh rel rer res ret rfa rfb rfd rfe rff rfg rfh rfl rfr rfs rft rga rgb rgd rge rgf rgg rgh rgr rgs rgt rh- rha rhb rhd rhe rhf rhg rhh rhl rhr rhs rht rla rld rle rlf rlg rlh rll rlr rls rlt rra rrb rrd rrf rrg rrh rrl rrr rrs rrt rsa rsb rsd rse rsf rsg rsh rsl rsr rss rst rta rtb rtd rte rtf rtg rtl rtr rts rtt saa sab sad sae saf sag sah sal sar sas sat sba sbb sbd sbe sbf sbg sbh sbl sbr sbs sbt sda sdb sdd sde sdf sdg sdh sdl sdr sds sdt se- sea seb sed see sef seg seh sel ser ses set sfa sfb sfd sfe sff sfg sfh sfl sfr sfs sft sga sgb sgd sge sgf sgg sgh sgl sgr sgs sgt sh- sha shb shd she shf shg shh shl shr shs sht sla slb sld sle slf slg slh sll slr sls slt sr- sra srb srd sre srf srg srh srl srr srs srt ss- ssa ssb ssd sse ssf ssg ssh ssl ssr sss sst sta stb std ste stf stg sth stl str sts stt taa tab tad tae taf tag tah tal tar tas tat tba tbb tbd tbe tbf tbg tbh tbl tbr tbs tbt tda tdb tdd tde tdf tdg tdh tdl tdr tds tdt te- tea teb ted tee tef teg teh tel ter tes tet tfa tfb tfd tfe tff tfg tfh tfl tfr tfs tft tga tgb tge tgf tgg tgh tgl tgr tgs tgt th- tha thb thd the thf thg thh thl thr ths tht tla tld tle tlf tlg tlh tll tlr tls tlt tra trb trd tre trf trg trh trl trr trs trt tsa tsb tsd tse tsf tsg tsh tsl tsr tss tst tta ttb ttd tte ttf ttg tth ttl ttr tts ttt