rba rbb rbc rbe rbg rbh rbi rbo rbr rbs rbt rca rcb rcc rce rcg rch rci rco rcr rcs rct re- rea reb rec ree reg reh rei reo rer res ret rga rgb rgc rge rgg rgh rgi rgo rgr rgs rgt rh- rha rhb rhc rhe rhg rhh rhi rho rhr rhs rht ria rib ric rie rig rih rii rio rir ris rit roa rob roc roe rog roh roi roo ror ros rot rra rrb rrc rrg rrh rri rrr rrs rrt rsa rsb rsc rse rsg rsh rsi rso rsr rss rst rta rtb rtc rte rtg rti rto rtr rts rtt saa sab sac sae sag sah sai sao sar sas sat sba sbb sbc sbe sbg sbh sbi sbo sbr sbs sbt sca scb scc sce scg sch sci sco scr scs sct se- sea seb sec see seg seh sei seo ser ses set sga sgb sgc sge sgg sgh sgi sgo sgr sgs sgt sh- sha shb shc she shg shh shi sho shr shs sht sia sib sic sie sig sih sii sio sir sis sit soa sob soc soe sog soh soi soo sor sos sot sr- sra srb src sre srg srh sri sro srr srs srt ss- ssa ssb ssc sse ssg ssh ssi sso ssr sss sst sta stb stc ste stg sth sti sto str sts stt taa tab tac tae tag tah tai tao tar tas tat tba tbb tbc tbe tbg tbh tbi tbo tbr tbs tbt tca tcb tcc tce tcg tch tci tco tcr tcs tct te- tea teb tec tee teg teh tei teo ter tes tet tga tgb tgc tge tgg tgh tgi tgo tgr tgs tgt th- tha thb thc the thg thh thi tho thr ths tht tia tib tic tie tig tih tii tio tir tis tit to- toa tob toc toe tog toh toi too tor tos tot tra trb trc tre trg trh tri tro trr trs trt tsa tsb tsc tse tsg tsh tsi tso tsr tss tst tta ttb ttc tte ttg tth tti tto ttr tts ttt