a-a a-c aaa aac aad aae aag aah aan aax ac- aca acc acd ace acg ach acn acx ad- ada adc add ade adg adh adn adx aea aec aed aee aeg aeh aen aex ag- aga agc agd age agg agh agn agx aha ahc ahd ahe ahg ahh ahn ahx an- ana anc and ane ang anh ann anx ax- axa axe axh axn axx c-- caa cac cad cae cag cah can cax cca ccc ccd cce ccg cch ccn ccx cda cdc cdd cde cdg cdh cdn cdx ce- cea cec ced cee ceg ceh cen cex cga cgc cgd cge cgg cgh cgn ch- cha chc chd che chg chh chn chx cn- cna cnc cnd cne cng cnh cnn cnx cxc cxh cxx daa dac dad dae dag dah dan dax dca dcc dcd dce dcg dcn dcx dda ddc ddd dde ddg ddh ddn ddx de- dea dec ded dee deg deh den dex dga dgc dgd dge dgg dgh dgn dh- dha dhc dhd dhe dhh dna dnc dnd dne dng dnh dnn dxc dxd dxn dxx eaa eac ead eae eag eah ean eax ec- eca ecc ecd ece ecg ech ecn ecx ed- eda edc edd ede edg edh edn edx eea eec eed eee eeg een eex ega egc egd ege egg egh egn egx eha ehc ehd ehe ehg ehh ehn en- ena enc end ene eng enh enn ex- exa exc exd exe exh exx g-d gaa gac gad gae gag gah gan gca gcc gcd gce gcg gch gcn gda gdc gdd gde gdh gdn gdx ge- gea gec ged gee geg geh gen gex gga ggc ggd ggg ggh ggn gha ghc ghd ghe ghg ghh ghn gna gnc gnd gne gnn gxa haa hac had hae hag hah han hax hca hcc hcd hce hcg hch hcn hda hdc hdd hde hdg hdh hdn hdx he- hea hec hed hee heg heh hen hex hga hgc hge hgg hgh hgn hha hhc hhd hhe hhg hhh hhn hna hnc hnd hne hng hnh hnn hxc hxd naa nac nad nae nag nah nan nax nca ncc ncd nce ncg nch ncn ncx nda ndc ndd nde ndg ndh ndn ne- nea nec ned nee neg neh nen nex nga ngc ngd nge ngg ngh ngn nha nhc nhd nhe nhg nhh nhn nna nnc nne nng nnh nnn nxc nxd xaa xac xad xag xan xcd xch xcx xda xdc xde xdh xed xee xeg xen xex xge xhd xna xnc xxx