-er -ey a-a a-c aaa aac aae aaf aag aan aar aay ac- aca acc ace acf acg acn acr acy aea aec aee aef aeg aen aer aey af- afa afc afe aff afg afn afr afy ag- aga agc age agf agg agn agr agy an- ana anc ane anf ang ann anr any ar- ara arc are arf arg arn arr ary ay- aya ayc aye ayf ayn ayr c-- caa cac cae caf cag can car cay cca ccc cce ccf ccg ccn ccr ce- cea cec cee cef ceg cen cer cey cfa cfc cfe cff cfg cfn cfr cga cgc cge cgg cgn cgr cgy cn- cna cnc cne cnf cng cnn cnr cny cra crc cre crf crg crn crr cry cya cyc cye cyf cyg cyn cyr eaa eac eae eaf eag ean ear ec- eca ecc ece ecf ecg ecn ecr eea eec eee eef eeg een eer eey ef- efa efc efe eff efg efr ega egc ege egf egg egn egr egy en- ena enc ene enf eng enn enr eny era erc ere erf erg ern err ery eya eyc eye eyn eyr faa fac fae faf fag fan far fay fca fcc fce fcf fcg fcn fcr fcy fea fec fee fef feg fen fer fey ffa ffc ffe fff ffg ffn ffr ffy fga fgc fge fgf fgg fgn fgr fna fnc fne fnf fng fnn fnr fra frc fre frf frg frn frr fry fy- fya fyc fye fyn gaa gac gae gaf gag gan gar gay gca gcc gce gcf gcg gcn gcr ge- gea gec gee gef geg gen ger gey gfa gfc gfe gff gfr gfy gga ggc ggg ggn ggr gna gnc gne gnf gnn gnr gra grc gre grf grg grn grr gry gy- gya gye gyf gyn gyr naa nac nae naf nag nan nar nay nca ncc nce ncf ncg ncn ncr ne- nea nec nee nef neg nen ner ney nfa nfc nfe nff nfn nfr nga ngc nge ngf ngg ngn nna nnc nne nnf nng nnn nra nrc nre nrf nrg nrn nrr nry nya nyc nye nyf nyg nyn nyy ra- raa rac rae raf rag ran rar ray rca rcc rce rcf rcg rcn rcr re- rea rec ree ref reg ren rer rey rfa rfc rfe rff rfg rfn rfr rga rgc rge rgf rgg rgn rgr rna rnc rng rnn rnr rny rra rrc rrf rrg rrn rrr ry- rya ryc rye ryf ryg ryn ryr ryy yaa yac yae yaf yag yan yar yay yca ycc yce ycf ycy yea yec yee yef yeg yen yer yey yfa yfc yfe yff yfr yga ygc yna yne yng ynn yny yra yrc yre yrf yrg yrn yyc yye yyf yyg yyy