-al -er a-a a-c aaa aac aad aae aag aal aan aar aas ac- aca acc acd ace acg acl acn acr acs ad- ada adc add ade adg adl adn adr ads aea aec aed aee aeg ael aen aer aes ag- aga agc agd age agg agl agn agr ags al- ala alc ald ale alg all aln alr als an- ana anc and ane ang anl ann anr ans ar- ara arc ard are arg arl arn arr ars as- asa asc asd ase asg asl asn asr ass c-- caa cac cad cae cag cal can car cas cca ccc ccd cce ccg ccl ccn ccr ccs cda cdc cdd cde cdg cdl cdn cdr cds ce- cea cec ced cee ceg cel cen cer ces cga cgc cgd cge cgg cgl cgn cgr cgs cl- cla clc cld cle clg cll cln clr cls cn- cna cnc cnd cne cng cnl cnn cnr cns cra crc crd cre crg crl crn crr crs csa csc csd cse csg csl csn csr css daa dac dad dae dag dal dan dar das dca dcc dcd dce dcg dcl dcn dcr dcs dda ddc ddd dde ddg ddl ddn ddr dds de- dea dec ded dee deg del den der des dga dgc dgd dge dgg dgl dgn dgr dgs dl- dla dlc dld dle dlg dll dlr dls dna dnc dnd dne dng dnl dnn dnr dns dra drc drd dre drg drl drn drr drs dsa dsc dsd dse dsg dsl dsn dsr dss eaa eac ead eae eag eal ean ear eas ec- eca ecc ecd ece ecg ecl ecn ecr ecs ed- eda edc edd ede edg edl edn edr eds eea eec eed eee eeg eel een eer ees ega egc egd ege egg egl egn egr egs ela elc eld ele elg ell eln elr els en- ena enc end ene eng enl enn enr ens era erc erd ere erg erl ern err ers es- esa esc esd ese esg esl esn esr ess g-d gaa gac gad gae gag gal gan gar gas gca gcc gcd gce gcg gcl gcn gcr gcs gda gdc gdd gde gdl gdn gdr gds ge- gea gec ged gee geg gel gen ger ges gga ggc ggd ggg ggn ggr ggs gla glc gld gle glg gll gln glr gls gna gnc gnd gne gnl gnn gnr gns gra grc grd gre grg grl grn grr grs gsa gsc gsd gse gsg gsl gsn gsr gss la- laa lac lad lae lag lal lan lar las lca lcc lcd lce lcg lcl lcn lcr lcs lda ldc ldd lde ldg ldl ldn ldr lds lea lec led lee leg lel len ler les lga lgc lgd lge lgg lgl lgn lgr lgs lla llc lld lle llg lll lln llr lls lna lnc lnd lne lng lnl lnn lnr lns lra lrc lrd lrg lrn lrr lrs lsa lsc lsd lse lsg lsl lsn lsr lss naa nac nad nae nag nal nan nar nas nca ncc ncd nce ncg ncl ncn ncr ncs nda ndc ndd nde ndg ndl ndn ndr nds ne- nea nec ned nee neg nel nen ner nes nga ngc ngd nge ngg ngl ngn ngs nla nlc nld nle nlg nll nln nlr nls nna nnc nne nng nnl nnn nns nra nrc nrd nre nrg nrl nrn nrr nrs nsa nsc nsd nse nsg nsl nsn nsr nss ra- raa rac rad rae rag ral ran rar ras rca rcc rcd rce rcg rcl rcn rcr rcs rda rdc rdd rde rdg rdl rdn rdr rds re- rea rec red ree reg rel ren rer res rga rgc rgd rge rgg rgn rgr rgs rla rlc rld rle rlg rll rln rlr rls rna rnc rnd rng rnn rnr rns rra rrc rrd rrg rrl rrn rrr rrs rsa rsc rsd rse rsg rsl rsn rsr rss saa sac sad sae sag sal san sar sas sca scc scd sce scg scl scn scr scs sda sdc sdd sde sdg sdl sdn sdr sds se- sea sec sed see seg sel sen ser ses sga sgc sgd sge sgg sgl sgn sgr sgs sla slc sld sle slg sll sln slr sls sna snc snd sne sng snl snn snr sns sr- sra src srd sre srg srl srn srr srs ss- ssa ssc ssd sse ssg ssl ssn ssr sss