rba rbb rbe rbg rbi rbl rbm rbo rbr rbs rbt re- rea reb ree reg rei rel rem reo rer res ret rga rgb rge rgg rgi rgo rgr rgs rgt ria rib rie rig rii ril rim rio rir ris rit rla rle rlg rli rll rlm rlo rlr rls rlt rma rmb rme rmg rmi rml rmm rmo rmr rms rmt roa rob roe rog roi rol rom roo ror ros rot rra rrb rrg rri rrl rrm rrr rrs rrt rsa rsb rse rsg rsi rsl rsm rso rsr rss rst rta rtb rte rtg rti rtl rtm rto rtr rts rtt saa sab sae sag sai sal sam sao sar sas sat sba sbb sbe sbg sbi sbl sbm sbo sbr sbs sbt se- sea seb see seg sei sel sem seo ser ses set sga sgb sge sgg sgi sgl sgm sgo sgr sgs sgt sia sib sie sig sii sil sim sio sir sis sit sla slb sle slg sli sll slm slo slr sls slt sma smb sme smg smi sml smm smo smr sms smt soa sob soe sog soi sol som soo sor sos sot sr- sra srb sre srg sri srl srm sro srr srs srt ss- ssa ssb sse ssg ssi ssl ssm sso ssr sss sst sta stb ste stg sti stl stm sto str sts stt taa tab tae tag tai tal tam tao tar tas tat tba tbb tbe tbg tbi tbl tbm tbo tbr tbs tbt te- tea teb tee teg tei tel tem teo ter tes tet tga tgb tge tgg tgi tgl tgm tgo tgr tgs tgt tia tib tie tig tii til tim tio tir tis tit tla tle tlg tli tll tlm tlo tlr tls tlt tma tmb tme tmg tmi tml tmm tmo tmr tms tmt to- toa tob toe tog toi tol tom too tor tos tot tra trb tre trg tri trl trm tro trr trs trt tsa tsb tse tsg tsi tsl tsm tso tsr tss tst tta ttb tte ttg tti ttl ttm tto ttr tts ttt