#dinucleotide	frequency
AA	9394981	0.19252818233
AC	1236042	0.025329792529
AG	1648618	0.0337845735821
AN	168	3.44276743417e-06
AT	8193219	0.167900878299
CA	1437823	0.0294648226221
CC	524336	0.0107450411034
CG	262580	0.00538096352896
CN	18	3.68867939376e-07
CT	1655890	0.0339335962296
GA	1633403	0.03347277771
GC	481797	0.0098733036993
GG	522160	0.010700449068
GN	23	4.71331255869e-07
GT	1234808	0.0253045045825
NA	189	3.87311336345e-06
NC	17	3.48375276077e-07
NG	17	3.48375276077e-07
NN	84645	0.00173460148491
NT	151	3.0943921581e-06
TA	8006369	0.164071824162
TC	1638454	0.0335762861523
TG	1438877	0.0294864218892
TN	165	3.38128944428e-06
TT	9403202	0.192696652515