-al -er a-a a-c aaa aac aae aag aal aan aar ac- aca acc ace acg acl acn acr aea aec aee aeg ael aen aer ag- aga agc age agg agl agn agr al- ala alc ale alg all aln alr an- ana anc ane ang anl ann anr ar- ara arc are arg arl arn arr c-- caa cac cae cag cal can car cca ccc cce ccg ccl ccn ccr ce- cea cec cee ceg cel cen cer cga cgc cge cgg cgl cgn cgr cl- cla clc cle clg cll cln clr cn- cna cnc cne cng cnl cnn cnr cra crc cre crg crl crn crr eaa eac eae eag eal ean ear ec- eca ecc ece ecg ecl ecn ecr eea eec eee eeg eel een eer ega egc ege egg egl egn egr ela elc ele elg ell eln elr en- ena enc ene eng enl enn enr era erc ere erg erl ern err gaa gac gae gag gal gan gar gca gcc gce gcg gcl gcn gcr ge- gea gec gee geg gel gen ger gga ggc ggg ggn ggr gla glc gle glg gll gln glr gna gnc gne gnl gnn gnr gra grc gre grg grl grn grr la- laa lac lae lag lal lan lar lca lcc lce lcg lcl lcn lcr lea lec lee leg lel len ler lga lgc lge lgg lgl lgn lgr lla llc lle llg lll lln llr lna lnc lne lng lnl lnn lnr lra lrc lrg lrn lrr naa nac nae nag nal nan nar nca ncc nce ncg ncl ncn ncr ne- nea nec nee neg nel nen ner nga ngc nge ngg ngl ngn nla nlc nle nlg nll nln nlr nna nnc nne nng nnl nnn nra nrc nre nrg nrl nrn nrr ra- raa rac rae rag ral ran rar rca rcc rce rcg rcl rcn rcr re- rea rec ree reg rel ren rer rga rgc rge rgg rgn rgr rla rlc rle rlg rll rln rlr rna rnc rng rnn rnr rra rrc rrg rrl rrn rrr