-er -ey c-- ccc cce ccg ccr cct ce- cec cee ceg cer cet cey cgc cge cgg cgr cgt cgy crc cre crg crr crt cry ctc cte ctg ctr ctt cty cyc cye cyg cyr cyt ec- ecc ece ecg ecr ect eec eee eeg eer eet eey egc ege egg egr egt egy erc ere erg err ert ery etc ete etg etr ett ety eyc eye eyr eyt gcc gce gcg gcr gct ge- gec gee geg ger get gey ggc ggg ggr ggt grc gre grg grr grt gry gtc gte gtg gtr gtt gty gy- gye gyr rcc rce rcg rcr rct re- rec ree reg rer ret rey rgc rge rgg rgr rgt rrc rrg rrr rrt rtc rte rtg rtr rtt rty ry- ryc rye ryg ryr ryy tcc tce tcg tcr tct te- tec tee teg ter tet tey tgc tge tgg tgr tgt tgy trc tre trg trr trt try ttc tte ttg ttr ttt tty tyc tye tyg tyr tyt ycc yce ycy yec yee yeg yer yet yey ygc yrc yre yrg yrt ytc yte ytr ytt yyc yye yyg yyt yyy