a-a a-c aaa aac aag aah aak aan ac- aca acc acg ach ack acn ag- aga agc agg agh agk agn aha ahc ahg ahh ahk ahn aka akc akg akh akk akn an- ana anc ang anh ank ann c-- caa cac cag cah cak can cca ccc ccg cch cck ccn cga cgc cgg cgh cgn ch- cha chc chg chh chk chn cka ckc ckh cn- cna cnc cng cnh cnn gaa gac gag gah gak gan gca gcc gcg gch gck gcn gga ggc ggg ggh ggn gha ghc ghg ghh ghn gka gkh gkn gna gnc gnn haa hac hag hah hak han hca hcc hcg hch hck hcn hga hgc hgg hgh hgk hgn hha hhc hhg hhh hhk hhn hka hkg hkh hkk hkn hna hnc hng hnh hnk hnn ka- kaa kac kag kah kak kan kca kcc kcg kch kck kcn kga kgc kgh kha khh khk khn kkc kkh kkk kkn kn- kna knc kng knk knn naa nac nag nah nak nan nca ncc ncg nch nck ncn nga ngc ngg ngh ngk ngn nha nhc nhg nhh nhk nhn nka nkc nkk nkn nna nnc nng nnh nnk nnn