-al -er a-a a-c a-t aaa aac aae aag aal aan aar aat ac- aca acc ace acg acl acn acr act aea aec aee aeg ael aen aer aet ag- aga agc age agg agl agn agr agt al- ala alc ale alg all aln alr alt an- ana anc ane ang anl ann anr ant ar- ara arc are arg arl arn arr art at- ata atc ate atg atl atn atr att c-- caa cac cae cag cal can car cat cca ccc cce ccg ccl ccn ccr cct ce- cea cec cee ceg cel cen cer cet cga cgc cge cgg cgl cgn cgr cgt cl- cla clc cle clg cll cln clr clt cn- cna cnc cne cng cnl cnn cnr cnt cra crc cre crg crl crn crr crt cta ctc cte ctg ctl ctn ctr ctt eaa eac eae eag eal ean ear eat ec- eca ecc ece ecg ecl ecn ecr ect eea eec eee eeg eel een eer eet ega egc ege egg egl egn egr egt ela elc ele elg ell eln elr elt en- ena enc ene eng enl enn enr ent era erc ere erg erl ern err ert eta etc ete etg etl etn etr ett gaa gac gae gag gal gan gar gat gca gcc gce gcg gcl gcn gcr gct ge- gea gec gee geg gel gen ger get gga ggc ggg ggn ggr ggt gla glc gle glg gll gln glr glt gna gnc gne gnl gnn gnr gnt gra grc gre grg grl grn grr grt gta gtc gte gtg gtl gtn gtr gtt la- laa lac lae lag lal lan lar lat lca lcc lce lcg lcl lcn lcr lct lea lec lee leg lel len ler let lga lgc lge lgg lgl lgn lgr lgt lla llc lle llg lll lln llr llt lna lnc lne lng lnl lnn lnr lnt lra lrc lrg lrn lrr lrt lta ltc lte ltg ltl ltr ltt naa nac nae nag nal nan nar nat nca ncc nce ncg ncl ncn ncr nct ne- nea nec nee neg nel nen ner net nga ngc nge ngg ngl ngn ngt nla nlc nle nlg nll nln nlr nlt nna nnc nne nng nnl nnn nnt nra nrc nre nrg nrl nrn nrr nrt nta ntc nte ntg ntn ntr ntt ra- raa rac rae rag ral ran rar rat rca rcc rce rcg rcl rcn rcr rct re- rea rec ree reg rel ren rer ret rga rgc rge rgg rgn rgr rgt rla rlc rle rlg rll rln rlr rlt rna rnc rng rnn rnr rnt rra rrc rrg rrl rrn rrr rrt rta rtc rte rtg rtl rtn rtr rtt taa tac tae tag tal tan tar tat tca tcc tce tcg tcl tcn tcr tct te- tea tec tee teg tel ten ter tet tga tgc tge tgg tgl tgn tgr tgt tla tlc tle tlg tll tln tlr tlt tna tnc tne tng tnl tnn tnr tnt tra trc tre trg trl trn trr trt tta ttc tte ttg ttl ttn ttr ttt