rbn rbr rbs rbt re- rea reb ree reg rei rel rem ren rer res ret rga rgb rge rgg rgi rgn rgr rgs rgt ria rib rie rig rii ril rim rin rir ris rit rla rle rlg rli rll rlm rln rlr rls rlt rma rmb rme rmg rmi rml rmm rmn rmr rms rmt rna rnb rng rni rnm rnn rnr rns rnt rra rrb rrg rri rrl rrm rrn rrr rrs rrt rsa rsb rse rsg rsi rsl rsm rsn rsr rss rst rta rtb rte rtg rti rtl rtm rtn rtr rts rtt saa sab sae sag sai sal sam san sar sas sat sba sbb sbe sbg sbi sbl sbm sbn sbr sbs sbt se- sea seb see seg sei sel sem sen ser ses set sga sgb sge sgg sgi sgl sgm sgn sgr sgs sgt sia sib sie sig sii sil sim sin sir sis sit sla slb sle slg sli sll slm sln slr sls slt sma smb sme smg smi sml smm smn smr sms smt sna snb sne sng sni snl snm snn snr sns snt sr- sra srb sre srg sri srl srm srn srr srs srt ss- ssa ssb sse ssg ssi ssl ssm ssn ssr sss sst sta stb ste stg sti stl stm stn str sts stt taa tab tae tag tai tal tam tan tar tas tat tba tbb tbe tbg tbi tbl tbm tbn tbr tbs tbt te- tea teb tee teg tei tel tem ten ter tes tet tga tgb tge tgg tgi tgl tgm tgn tgr tgs tgt tia tib tie tig tii til tim tin tir tis tit tla tle tlg tli tll tlm tln tlr tls tlt tma tmb tme tmg tmi tml tmm tmn tmr tms tmt tna tnb tne tng tni tnl tnm tnn tnr tns tnt tra trb tre trg tri trl trm trn trr trs trt tsa tsb tse tsg tsi tsl tsm tsn tsr tss tst tta ttb tte ttg tti ttl ttm ttn ttr tts ttt