-al -er a-a a-c aaa aac aae aag aah aal aar ac- aca acc ace acg ach acl acr aea aec aee aeg aeh ael aer ag- aga agc age agg agh agl agr aha ahc ahe ahg ahh ahl ahr al- ala alc ale alg alh all alr ar- ara arc are arg arh arl arr c-- caa cac cae cag cah cal car cca ccc cce ccg cch ccl ccr ce- cea cec cee ceg ceh cel cer cga cgc cge cgg cgh cgl cgr ch- cha chc che chg chh chl chr cl- cla clc cle clg clh cll clr cra crc cre crg crh crl crr eaa eac eae eag eah eal ear ec- eca ecc ece ecg ech ecl ecr eea eec eee eeg eel eer ega egc ege egg egh egl egr eha ehc ehe ehg ehh ehl ehr ela elc ele elg elh ell elr era erc ere erg erh erl err gaa gac gae gag gah gal gar gca gcc gce gcg gch gcl gcr ge- gea gec gee geg geh gel ger gga ggc ggg ggh ggr gha ghc ghe ghg ghh ghl ghr gla glc gle glg glh gll glr gra grc gre grg grh grl grr haa hac hae hag hah hal har hca hcc hce hcg hch hcl hcr he- hea hec hee heg heh hel her hga hgc hge hgg hgh hgl hgr hha hhc hhe hhg hhh hhl hhr hla hlc hle hlg hlh hll hlr hr- hra hrc hre hrg hrh hrl hrr la- laa lac lae lag lah lal lar lca lcc lce lcg lch lcl lcr lea lec lee leg leh lel ler lga lgc lge lgg lgh lgl lgr lha lhc lhh lhr lla llc lle llg lll llr lra lrc lrg lrh lrr ra- raa rac rae rag rah ral rar rca rcc rce rcg rch rcl rcr re- rea rec ree reg reh rel rer rga rgc rge rgg rgh rgr rh- rha rhc rhe rhg rhh rhl rhr rla rlc rle rlg rlh rll rlr rra rrc rrg rrh rrl rrr