-er -ey a-a a-c aaa aac aad aae aag aan aar aay ac- aca acc acd ace acg acn acr acy ad- ada adc add ade adg adn adr ady aea aec aed aee aeg aen aer aey ag- aga agc agd age agg agn agr agy an- ana anc and ane ang ann anr any ar- ara arc ard are arg arn arr ary ay- aya ayc ayd aye ayn ayr c-- caa cac cad cae cag can car cay cca ccc ccd cce ccg ccn ccr cda cdc cdd cde cdg cdn cdr cdy ce- cea cec ced cee ceg cen cer cey cga cgc cgd cge cgg cgn cgr cgy cn- cna cnc cnd cne cng cnn cnr cny cra crc crd cre crg crn crr cry cya cyc cyd cye cyg cyn cyr daa dac dad dae dag dan dar day dca dcc dcd dce dcg dcn dcr dda ddc ddd dde ddg ddn ddr ddy de- dea dec ded dee deg den der dey dga dgc dgd dge dgg dgn dgr dna dnc dnd dne dng dnn dnr dny dra drc drd dre drg drn drr dry dy- dya dyc dyd dye dyn dyr dyy eaa eac ead eae eag ean ear ec- eca ecc ecd ece ecg ecn ecr ed- eda edc edd ede edg edn edr edy eea eec eed eee eeg een eer eey ega egc egd ege egg egn egr egy en- ena enc end ene eng enn enr eny era erc erd ere erg ern err ery eya eyc eyd eye eyn eyr g-d gaa gac gad gae gag gan gar gay gca gcc gcd gce gcg gcn gcr gda gdc gdd gde gdn gdr ge- gea gec ged gee geg gen ger gey gga ggc ggd ggg ggn ggr gna gnc gnd gne gnn gnr gra grc grd gre grg grn grr gry gy- gya gyd gye gyn gyr naa nac nad nae nag nan nar nay nca ncc ncd nce ncg ncn ncr nda ndc ndd nde ndg ndn ndr ndy ne- nea nec ned nee neg nen ner ney nga ngc ngd nge ngg ngn nna nnc nne nng nnn nra nrc nrd nre nrg nrn nrr nry nya nyc nyd nye nyg nyn nyy ra- raa rac rad rae rag ran rar ray rca rcc rcd rce rcg rcn rcr rda rdc rdd rde rdg rdn rdr rdy re- rea rec red ree reg ren rer rey rga rgc rgd rge rgg rgn rgr rna rnc rnd rng rnn rnr rny rra rrc rrd rrg rrn rrr ry- rya ryc ryd rye ryg ryn ryr ryy yaa yac yad yae yag yan yar yay yca ycc ycd yce ycy yda yde ydg ydn ydy yea yec yed yee yeg yen yer yey yga ygc yna ynd yne yng ynn yny yra yrc yre yrg yrn yyc yye yyg yyy