a-a a-c aaa aac aae aag aah aam aan ac- aca acc ace acg ach acm acn aea aec aee aeg aeh aem aen ag- aga agc age agg agh agm agn aha ahc ahe ahg ahh ahm ahn ama amc ame amg amh amm amn an- ana anc ane ang anh anm ann c-- caa cac cae cag cah cam can cca ccc cce ccg cch ccm ccn ce- cea cec cee ceg ceh cem cen cga cgc cge cgg cgh cgm cgn ch- cha chc che chg chh chm chn cma cmc cme cmg cmh cmm cmn cn- cna cnc cne cng cnh cnm cnn eaa eac eae eag eah eam ean ec- eca ecc ece ecg ech ecm ecn eea eec eee eeg eem een ega egc ege egg egh egm egn eha ehc ehe ehg ehh ehm ehn em- ema emc eme emg emh emm emn en- ena enc ene eng enh enm enn gaa gac gae gag gah gam gan gca gcc gce gcg gch gcm gcn ge- gea gec gee geg geh gem gen gga ggc ggg ggh ggm ggn gha ghc ghe ghg ghh ghn gma gmc gme gmg gmh gmm gmn gna gnc gne gnm gnn haa hac hae hag hah ham han hca hcc hce hcg hch hcm hcn he- hea hec hee heg heh hem hen hga hgc hge hgg hgh hgm hgn hha hhc hhe hhg hhh hhm hhn hma hmc hme hmg hmh hmm hna hnc hne hng hnh hnn maa mac mae mag mah mam man mc- mca mcc mce mcg mch mcm mcn mea mec mee meg meh mem men mga mgc mge mgh mgm mgn mha mhc mhg mhh mhm mhn mma mmc mme mmg mmh mmm mmn mna mnc mne mng mnm mnn naa nac nae nag nah nam nan nca ncc nce ncg nch ncm ncn ne- nea nec nee neg neh nem nen nga ngc nge ngg ngh ngm ngn nha nhc nhe nhg nhh nhm nhn nma nmc nme nmg nmh nmm nmn nna nnc nne nng nnh nnm nnn