-al -er a-a a-c a-t aaa aac aae aag aal aar aat ac- aca acc ace acg acl acr act aea aec aee aeg ael aer aet ag- aga agc age agg agl agr agt al- ala alc ale alg all alr alt ar- ara arc are arg arl arr art at- ata atc ate atg atl atr att c-- caa cac cae cag cal car cat cca ccc cce ccg ccl ccr cct ce- cea cec cee ceg cel cer cet cga cgc cge cgg cgl cgr cgt cl- cla clc cle clg cll clr clt cra crc cre crg crl crr crt cta ctc cte ctg ctl ctr ctt eaa eac eae eag eal ear eat ec- eca ecc ece ecg ecl ecr ect eea eec eee eeg eel eer eet ega egc ege egg egl egr egt ela elc ele elg ell elr elt era erc ere erg erl err ert eta etc ete etg etl etr ett gaa gac gae gag gal gar gat gca gcc gce gcg gcl gcr gct ge- gea gec gee geg gel ger get gga ggc ggg ggr ggt gla glc gle glg gll glr glt gra grc gre grg grl grr grt gta gtc gte gtg gtl gtr gtt la- laa lac lae lag lal lar lat lca lcc lce lcg lcl lcr lct lea lec lee leg lel ler let lga lgc lge lgg lgl lgr lgt lla llc lle llg lll llr llt lra lrc lrg lrr lrt lta ltc lte ltg ltl ltr ltt ra- raa rac rae rag ral rar rat rca rcc rce rcg rcl rcr rct re- rea rec ree reg rel rer ret rga rgc rge rgg rgr rgt rla rlc rle rlg rll rlr rlt rra rrc rrg rrl rrr rrt rta rtc rte rtg rtl rtr rtt taa tac tae tag tal tar tat tca tcc tce tcg tcl tcr tct te- tea tec tee teg tel ter tet tga tgc tge tgg tgl tgr tgt tla tlc tle tlg tll tlr tlt tra trc tre trg trl trr trt tta ttc tte ttg ttl ttr ttt