-al a-a a-c aaa aac aad aag aal aan aar ac- aca acc acd acg acl acn acr ad- ada adc add adg adl adn adr ag- aga agc agd agg agl agn agr al- ala alc ald alg all aln alr an- ana anc and ang anl ann anr ar- ara arc ard arg arl arn arr c-- caa cac cad cag cal can car cca ccc ccd ccg ccl ccn ccr cda cdc cdd cdg cdl cdn cdr cga cgc cgd cgg cgl cgn cgr cl- cla clc cld clg cll cln clr cn- cna cnc cnd cng cnl cnn cnr cra crc crd crg crl crn crr daa dac dad dag dal dan dar dca dcc dcd dcg dcl dcn dcr dda ddc ddd ddg ddl ddn ddr dga dgc dgd dgg dgl dgn dgr dl- dla dlc dld dlg dll dlr dna dnc dnd dng dnl dnn dnr dra drc drd drg drl drn drr g-d gaa gac gad gag gal gan gar gca gcc gcd gcg gcl gcn gcr gda gdc gdd gdl gdn gdr gga ggc ggd ggg ggn ggr gla glc gld glg gll gln glr gna gnc gnd gnl gnn gnr gra grc grd grg grl grn grr la- laa lac lad lag lal lan lar lca lcc lcd lcg lcl lcn lcr lda ldc ldd ldg ldl ldn ldr lga lgc lgd lgg lgl lgn lgr lla llc lld llg lll lln llr lna lnc lnd lng lnl lnn lnr lra lrc lrd lrg lrn lrr naa nac nad nag nal nan nar nca ncc ncd ncg ncl ncn ncr nda ndc ndd ndg ndl ndn ndr nga ngc ngd ngg ngl ngn nla nlc nld nlg nll nln nlr nna nnc nng nnl nnn nra nrc nrd nrg nrl nrn nrr ra- raa rac rad rag ral ran rar rca rcc rcd rcg rcl rcn rcr rda rdc rdd rdg rdl rdn rdr rga rgc rgd rgg rgn rgr rla rlc rld rlg rll rln rlr rna rnc rnd rng rnn rnr rra rrc rrd rrg rrl rrn rrr