a-a a-c aaa aac aag aar aay ac- aca acc acg acr acy ag- aga agc agg agr agy ar- ara arc arg arr ary ay- aya ayc ayr c-- caa cac cag car cay cca ccc ccg ccr cga cgc cgg cgr cgy cra crc crg crr cry cya cyc cyg cyr gaa gac gag gar gay gca gcc gcg gcr gga ggc ggg ggr gra grc grg grr gry gy- gya gyr ra- raa rac rag rar ray rca rcc rcg rcr rga rgc rgg rgr rra rrc rrg rrr ry- rya ryc ryg ryr ryy yaa yac yag yar yay yca ycc ycy yga ygc yra yrc yrg yyc yyg yyy