-er -ey c-- ccc cce ccg ccn ccr ce- cec cee ceg cen cer cey cgc cge cgg cgn cgr cgy cn- cnc cne cng cnn cnr cny crc cre crg crn crr cry cyc cye cyg cyn cyr ec- ecc ece ecg ecn ecr eec eee eeg een eer eey egc ege egg egn egr egy en- enc ene eng enn enr eny erc ere erg ern err ery eyc eye eyn eyr gcc gce gcg gcn gcr ge- gec gee geg gen ger gey ggc ggg ggn ggr gnc gne gnn gnr grc gre grg grn grr gry gy- gye gyn gyr ncc nce ncg ncn ncr ne- nec nee neg nen ner ney ngc nge ngg ngn nnc nne nng nnn nrc nre nrg nrn nrr nry nyc nye nyg nyn nyy rcc rce rcg rcn rcr re- rec ree reg ren rer rey rgc rge rgg rgn rgr rnc rng rnn rnr rny rrc rrg rrn rrr ry- ryc rye ryg ryn ryr ryy ycc yce ycy yec yee yeg yen yer yey ygc yne yng ynn yny yrc yre yrg yrn yyc yye yyg yyy