-al -er a-a a-c aaa aac aad aae aag aal aar ac- aca acc acd ace acg acl acr ad- ada adc add ade adg adl adr aea aec aed aee aeg ael aer ag- aga agc agd age agg agl agr al- ala alc ald ale alg all alr ar- ara arc ard are arg arl arr c-- caa cac cad cae cag cal car cca ccc ccd cce ccg ccl ccr cda cdc cdd cde cdg cdl cdr ce- cea cec ced cee ceg cel cer cga cgc cgd cge cgg cgl cgr cl- cla clc cld cle clg cll clr cra crc crd cre crg crl crr daa dac dad dae dag dal dar dca dcc dcd dce dcg dcl dcr dda ddc ddd dde ddg ddl ddr de- dea dec ded dee deg del der dga dgc dgd dge dgg dgl dgr dl- dla dlc dld dle dlg dll dlr dra drc drd dre drg drl drr eaa eac ead eae eag eal ear ec- eca ecc ecd ece ecg ecl ecr ed- eda edc edd ede edg edl edr eea eec eed eee eeg eel eer ega egc egd ege egg egl egr ela elc eld ele elg ell elr era erc erd ere erg erl err g-d gaa gac gad gae gag gal gar gca gcc gcd gce gcg gcl gcr gda gdc gdd gde gdl gdr ge- gea gec ged gee geg gel ger gga ggc ggd ggg ggr gla glc gld gle glg gll glr gra grc grd gre grg grl grr la- laa lac lad lae lag lal lar lca lcc lcd lce lcg lcl lcr lda ldc ldd lde ldg ldl ldr lea lec led lee leg lel ler lga lgc lgd lge lgg lgl lgr lla llc lld lle llg lll llr lra lrc lrd lrg lrr ra- raa rac rad rae rag ral rar rca rcc rcd rce rcg rcl rcr rda rdc rdd rde rdg rdl rdr re- rea rec red ree reg rel rer rga rgc rgd rge rgg rgr rla rlc rld rle rlg rll rlr rra rrc rrd rrg rrl rrr