-al a-a a-c a-t aaa aac aae aag aal aan aas aat ac- aca acc ace acg acl acn acs act aea aec aee aeg ael aen aes aet ag- aga agc age agg agl agn ags agt al- ala alc ale alg all aln als alt an- ana anc ane ang anl ann ans ant as- asa asc ase asg asl asn ass ast at- ata atc ate atg atl atn ats att c-- caa cac cae cag cal can cas cat cca ccc cce ccg ccl ccn ccs cct ce- cea cec cee ceg cel cen ces cet cga cgc cge cgg cgl cgn cgs cgt cl- cla clc cle clg cll cln cls clt cn- cna cnc cne cng cnl cnn cns cnt csa csc cse csg csl csn css cst cta ctc cte ctg ctl ctn cts ctt eaa eac eae eag eal ean eas eat ec- eca ecc ece ecg ecl ecn ecs ect eea eec eee eeg eel een ees eet ega egc ege egg egl egn egs egt ela elc ele elg ell eln els elt en- ena enc ene eng enl enn ens ent es- esa esc ese esg esl esn ess est eta etc ete etg etl etn ets ett gaa gac gae gag gal gan gas gat gca gcc gce gcg gcl gcn gcs gct ge- gea gec gee geg gel gen ges get gga ggc ggg ggn ggs ggt gla glc gle glg gll gln gls glt gna gnc gne gnl gnn gns gnt gsa gsc gse gsg gsl gsn gss gst gta gtc gte gtg gtl gtn gts gtt la- laa lac lae lag lal lan las lat lca lcc lce lcg lcl lcn lcs lct lea lec lee leg lel len les let lga lgc lge lgg lgl lgn lgs lgt lla llc lle llg lll lln lls llt lna lnc lne lng lnl lnn lns lnt lsa lsc lse lsg lsl lsn lss lst lta ltc lte ltg ltl lts ltt naa nac nae nag nal nan nas nat nca ncc nce ncg ncl ncn ncs nct ne- nea nec nee neg nel nen nes net nga ngc nge ngg ngl ngn ngs ngt nla nlc nle nlg nll nln nls nlt nna nnc nne nng nnl nnn nns nnt nsa nsc nse nsg nsl nsn nss nst nta ntc nte ntg ntn nts ntt saa sac sae sag sal san sas sat sca scc sce scg scl scn scs sct se- sea sec see seg sel sen ses set sga sgc sge sgg sgl sgn sgs sgt sla slc sle slg sll sln sls slt sna snc sne sng snl snn sns snt ss- ssa ssc sse ssg ssl ssn sss sst sta stc ste stg stl stn sts stt taa tac tae tag tal tan tas tat tca tcc tce tcg tcl tcn tcs tct te- tea tec tee teg tel ten tes tet tga tgc tge tgg tgl tgn tgs tgt tla tlc tle tlg tll tln tls tlt tna tnc tne tng tnl tnn tns tnt tsa tsc tse tsg tsl tsn tss tst tta ttc tte ttg ttl ttn tts ttt