-er a-a a-c aaa aac aae aag aam aar aas aau ac- aca acc ace acg acm acr acs acu aea aec aee aeg aem aer aes aeu ag- aga agc age agg agm agr ags agu ama amc ame amg amm amr ams amu ar- ara arc are arg arm arr ars aru as- asa asc ase asg asm asr ass asu au- aua auc aue aug aum aur aus c-- caa cac cae cag cam car cas cau cca ccc cce ccg ccm ccr ccs ccu ce- cea cec cee ceg cem cer ces ceu cga cgc cge cgg cgm cgr cgs cgu cma cmc cme cmg cmm cmr cms cmu cra crc cre crg crm crr crs cru csa csc cse csg csm csr css csu cua cuc cue cug cum cur cus cuu eaa eac eae eag eam ear eas eau ec- eca ecc ece ecg ecm ecr ecs ecu eea eec eee eeg eem eer ees ega egc ege egg egm egr egs egu em- ema emc eme emg emm emr ems emu era erc ere erg erm err ers eru es- esa esc ese esg esm esr ess esu eu- eua euc eue eug eur eus gaa gac gae gag gam gar gas gau gca gcc gce gcg gcm gcr gcs gcu ge- gea gec gee geg gem ger ges geu gga ggc ggg ggm ggr ggs ggu gma gmc gme gmg gmm gmr gms gra grc gre grg grm grr grs gru gsa gsc gse gsg gsm gsr gss gsu gu- gua guc gue gug gum gur gus guu m-r maa mac mae mag mam mar mas mau mc- mca mcc mce mcg mcm mcr mcs mcu mea mec mee meg mem mer mes meu mga mgc mge mgm mgr mgs mgu mma mmc mme mmg mmm mmr mms mmu mra mrc mre mrg mrm mrr mrs mru msa msc mse msg msm msr mss msu mua muc mue mug mum mur mus muu ra- raa rac rae rag ram rar ras rau rca rcc rce rcg rcm rcr rcs rcu re- rea rec ree reg rem rer res reu rga rgc rge rgg rgr rgs rma rmc rme rmg rmm rmr rms rra rrc rrg rrm rrr rrs rru rsa rsc rse rsg rsm rsr rss rsu rua ruc rue rug rum rur rus ruu saa sac sae sag sam sar sas sau sca scc sce scg scm scr scs scu se- sea sec see seg sem ser ses seu sga sgc sge sgg sgm sgr sgs sgu sma smc sme smg smm smr sms smu sr- sra src sre srg srm srr srs ss- ssa ssc sse ssg ssm ssr sss ssu sua suc sue sug sum sur sus suu ua- uaa uac uae uag uam uar uas uau uca ucc uce ucg ucm ucr ucs ucu uea uec uee ueg uem uer ues uga ugc uge ugg ugm ugr ugs ugu um- uma umc ume umg umm umr ums umu ur- ura urc ure urg urm urr urs uru usa usc use usg usm usr uss usu uua uuc uue uug uum uur uus uuu