-er a-a a-b aaa aab aae aag aak aam aar aas ab- aba abb abe abg abk abm abr abs aea aeb aee aeg aek aem aer aes ag- aga agb age agg agk agm agr ags aka akb ake akg akk akm akr aks ama amb ame amg amk amm amr ams ar- ara arb are arg ark arm arr ars as- asa asb ase asg ask asm asr ass baa bab bae bag bak bam bar bas bba bbb bbe bbg bbk bbm bbr bbs be- bea beb bee beg bek bem ber bes bga bgb bge bgg bgk bgm bgr bgs bka bkb bke bkg bkk bkm bkr bks bma bmb bme bmg bmk bmm bmr bms bra brb bre brg brk brm brr brs bsa bsb bse bsg bsk bsm bsr bss eaa eab eae eag eak eam ear eas eba ebb ebe ebg ebk ebm ebr ebs eea eeb eee eeg eek eem eer ees ega egb ege egg egm egr egs eka ekb eke ekg ekr eks em- ema emb eme emg emk emm emr ems era erb ere erg erk erm err ers es- esa esb ese esg esk esm esr ess gaa gab gae gag gak gam gar gas gba gbe gbg gbk gbm gbr gbs ge- gea geb gee geg gek gem ger ges gga ggb ggg ggm ggr ggs gka gkb gkm gks gma gmb gme gmg gmm gmr gms gra grb gre grg grk grm grr grs gsa gsb gse gsg gsk gsm gsr gss ka- kaa kab kae kag kak kam kar kas kba kbb kbe kbk kbm kbr kbs ke- kea keb kee keg kek kem ker kes kga kgb kgm kgs kkb kke kkk kkm kkr kks kma kmb kme kmg kmk kmm kms kra krg krk krr krs ksa ksb kse ksg ksk ksm ksr kss m-r maa mab mae mag mak mam mar mas mba mbb mbe mbg mbk mbm mbr mbs mea meb mee meg mek mem mer mes mga mgb mge mgk mgm mgr mgs mka mkb mke mkg mkk mkm mkr mks mma mmb mme mmg mmk mmm mmr mms mra mrb mre mrg mrk mrm mrr mrs msa msb mse msg msk msm msr mss ra- raa rab rae rag rak ram rar ras rba rbb rbe rbg rbk rbm rbr rbs re- rea reb ree reg rek rem rer res rga rgb rge rgg rgk rgr rgs rkb rke rkg rkk rkm rks rma rmb rme rmg rmm rmr rms rra rrb rrg rrk rrm rrr rrs rsa rsb rse rsg rsk rsm rsr rss saa sab sae sag sak sam sar sas sba sbb sbe sbg sbk sbm sbr sbs se- sea seb see seg sek sem ser ses sga sgb sge sgg sgk sgm sgr sgs sk- ska skb ske skg skk skm skr sks sma smb sme smg smk smm smr sms sr- sra srb sre srg srk srm srr srs ss- ssa ssb sse ssg ssk ssm ssr sss

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