-al a-a a-c aaa aac aad aae aag aah aal aan ac- aca acc acd ace acg ach acl acn ad- ada adc add ade adg adh adl adn aea aec aed aee aeg aeh ael aen ag- aga agc agd age agg agh agl agn aha ahc ahd ahe ahg ahh ahl ahn al- ala alc ald ale alg alh all aln an- ana anc and ane ang anh anl ann c-- caa cac cad cae cag cah cal can cca ccc ccd cce ccg cch ccl ccn cda cdc cdd cde cdg cdh cdl cdn ce- cea cec ced cee ceg ceh cel cen cga cgc cgd cge cgg cgh cgl cgn ch- cha chc chd che chg chh chl chn cl- cla clc cld cle clg clh cll cln cn- cna cnc cnd cne cng cnh cnl cnn daa dac dad dae dag dah dal dan dca dcc dcd dce dcg dcl dcn dda ddc ddd dde ddg ddh ddl ddn de- dea dec ded dee deg deh del den dga dgc dgd dge dgg dgh dgl dgn dh- dha dhc dhd dhe dhh dhl dl- dla dlc dld dle dlg dlh dll dna dnc dnd dne dng dnh dnl dnn eaa eac ead eae eag eah eal ean ec- eca ecc ecd ece ecg ech ecl ecn ed- eda edc edd ede edg edh edl edn eea eec eed eee eeg eel een ega egc egd ege egg egh egl egn eha ehc ehd ehe ehg ehh ehl ehn ela elc eld ele elg elh ell eln en- ena enc end ene eng enh enl enn g-d gaa gac gad gae gag gah gal gan gca gcc gcd gce gcg gch gcl gcn gda gdc gdd gde gdh gdl gdn ge- gea gec ged gee geg geh gel gen gga ggc ggd ggg ggh ggn gha ghc ghd ghe ghg ghh ghl ghn gla glc gld gle glg glh gll gln gna gnc gnd gne gnl gnn haa hac had hae hag hah hal han hca hcc hcd hce hcg hch hcl hcn hda hdc hdd hde hdg hdh hdl hdn he- hea hec hed hee heg heh hel hen hga hgc hge hgg hgh hgl hgn hha hhc hhd hhe hhg hhh hhl hhn hla hlc hld hle hlg hlh hll hln hna hnc hnd hne hng hnh hnl hnn la- laa lac lad lae lag lah lal lan lca lcc lcd lce lcg lch lcl lcn lda ldc ldd lde ldg ldh ldl ldn lea lec led lee leg leh lel len lga lgc lgd lge lgg lgh lgl lgn lha lhc lhd lhh lla llc lld lle llg lll lln lna lnc lnd lne lng lnh lnl lnn naa nac nad nae nag nah nal nan nca ncc ncd nce ncg nch ncl ncn nda ndc ndd nde ndg ndh ndl ndn ne- nea nec ned nee neg neh nel nen nga ngc ngd nge ngg ngh ngl ngn nha nhc nhd nhe nhg nhh nhl nhn nla nlc nld nle nlg nlh nll nln nna nnc nne nng nnh nnl nnn