a-a a-c aaa aac aad aag aah ac- aca acc acd acg ach ad- ada adc add adg adh ag- aga agc agd agg agh aha ahc ahd ahg ahh c-- caa cac cad cag cah cca ccc ccd ccg cch cda cdc cdd cdg cdh cga cgc cgd cgg cgh ch- cha chc chd chg chh daa dac dad dag dah dca dcc dcd dcg dda ddc ddd ddg ddh dga dgc dgd dgg dgh dh- dha dhc dhd dhh g-d gaa gac gad gag gah gca gcc gcd gcg gch gda gdc gdd gdh gga ggc ggd ggg ggh gha ghc ghd ghg ghh haa hac had hag hah hca hcc hcd hcg hch hda hdc hdd hdg hdh hga hgc hgg hgh hha hhc hhd hhg hhh