#dinucleotide	frequency
AA	860	0.0602198725579
AC	297	0.0207968629648
AG	987	0.0691128072264
AT	1457	0.10202366781
CA	333	0.0233176948393
CC	171	0.011973951404
CG	179	0.012534136265
CT	548	0.0383726629788
GA	852	0.0596596876969
GC	295	0.0206568167495
GG	1183	0.082837336321
GT	1408	0.0985925355367
TA	1556	0.108955955465
TC	468	0.0327708143687
TG	1388	0.0971920733842
TT	2299	0.160983124431