-al a-a a-c aaa aac aae aag aah aak aal aan ac- aca acc ace acg ach ack acl acn aea aec aee aeg aeh aek ael aen ag- aga agc age agg agh agk agl agn aha ahc ahe ahg ahh ahk ahl ahn aka akc ake akg akh akk akl akn al- ala alc ale alg alh alk all aln an- ana anc ane ang anh ank anl ann c-- caa cac cae cag cah cak cal can cca ccc cce ccg cch cck ccl ccn ce- cea cec cee ceg ceh cek cel cen cga cgc cge cgg cgh cgl cgn ch- cha chc che chg chh chk chl chn cka ckc ckh cl- cla clc cle clg clh clk cll cln cn- cna cnc cne cng cnh cnl cnn eaa eac eae eag eah eak eal ean ec- eca ecc ece ecg ech eck ecl ecn eea eec eee eeg eek eel een ega egc ege egg egh egl egn eha ehc ehe ehg ehh ehl ehn eka ekc eke ekg ekh ekl ela elc ele elg elh elk ell eln en- ena enc ene eng enh enk enl enn gaa gac gae gag gah gak gal gan gca gcc gce gcg gch gck gcl gcn ge- gea gec gee geg geh gek gel gen gga ggc ggg ggh ggn gha ghc ghe ghg ghh ghl ghn gka gkh gkn gla glc gle glg glh glk gll gln gna gnc gne gnl gnn haa hac hae hag hah hak hal han hca hcc hce hcg hch hck hcl hcn he- hea hec hee heg heh hek hel hen hga hgc hge hgg hgh hgk hgl hgn hha hhc hhe hhg hhh hhk hhl hhn hka hkg hkh hkk hkl hkn hla hlc hle hlg hlh hll hln hna hnc hne hng hnh hnk hnl hnn ka- kaa kac kae kag kah kak kal kan kca kcc kce kcg kch kck kcl kcn ke- kea kec kee keg keh kek kel ken kga kgc kgh kgl kha khe khh khk khn kkc kke kkh kkk kkl kkn kl- kla klc klg klh kn- kna knc kne kng knk knl knn la- laa lac lae lag lah lak lal lan lca lcc lce lcg lch lck lcl lcn lea lec lee leg leh lek lel len lga lgc lge lgg lgh lgk lgl lgn lha lhc lhh lhk lka lkg lkh lkl lla llc lle llg llk lll lln lna lnc lne lng lnh lnk lnl lnn naa nac nae nag nah nak nal nan nca ncc nce ncg nch nck ncl ncn ne- nea nec nee neg neh nek nel nen nga ngc nge ngg ngh ngk ngl ngn nha nhc nhe nhg nhh nhk nhl nhn nka nkc nke nkk nkn nla nlc nle nlg nlh nlk nll nln nna nnc nne nng nnh nnk nnl nnn