ras rat rba rbb rbc rbd rbe rbh rbl rbo rbr rbs rbt rca rcb rcc rcd rce rch rcl rco rcr rcs rct rda rdb rdc rdd rde rdh rdl rdo rdr rds rdt re- rea reb rec red ree reh rel reo rer res ret rh- rha rhb rhc rhd rhe rhh rhl rho rhr rhs rht rla rlc rld rle rlh rll rlo rlr rls rlt roa rob roc rod roe roh rol roo ror ros rot rra rrb rrc rrd rrh rrl rrr rrs rrt rsa rsb rsc rsd rse rsh rsl rso rsr rss rst rta rtb rtc rtd rte rtl rto rtr rts rtt saa sab sac sad sae sah sal sao sar sas sat sba sbb sbc sbd sbe sbh sbl sbo sbr sbs sbt sca scb scc scd sce sch scl sco scr scs sct sda sdb sdc sdd sde sdh sdl sdo sdr sds sdt se- sea seb sec sed see seh sel seo ser ses set sh- sha shb shc shd she shh shl sho shr shs sht sla slb slc sld sle slh sll slo slr sls slt soa sob soc sod soe soh sol soo sor sos sot sr- sra srb src srd sre srh srl sro srr srs srt ss- ssa ssb ssc ssd sse ssh ssl sso ssr sss sst sta stb stc std ste sth stl sto str sts stt taa tab tac tad tae tah tal tao tar tas tat tba tbb tbc tbd tbe tbh tbl tbo tbr tbs tbt tca tcb tcc tcd tce tch tcl tco tcr tcs tct tda tdb tdc tdd tde tdh tdl tdo tdr tds tdt te- tea teb tec ted tee teh tel teo ter tes tet th- tha thb thc thd the thh thl tho thr ths tht tla tlc tld tle tlh tll tlo tlr tls tlt to- toa tob toc tod toe toh tol too tor tos tot tra trb trc trd tre trh trl tro trr trs trt tsa tsb tsc tsd tse tsh tsl tso tsr tss tst tta ttb ttc ttd tte tth ttl tto ttr tts ttt