#dinucleotide	frequency
AA	2527945	0.0691342308034
AC	2085858	0.0570440371112
AG	2387136	0.0652833867759
AN	105	2.87153962383e-06
AT	2394236	0.0654775575504
CA	2592248	0.070892789017
CC	2028324	0.0554705974854
CG	1767437	0.048335860744
CN	109	2.9809316095e-06
CT	2385709	0.065244361185
GA	2546925	0.0696532957754
GC	2110395	0.0577150748993
GG	2024778	0.0553736214901
GN	100	2.73479964174e-06
GT	2085893	0.0570449942911
NA	128	3.50054354143e-06
NC	73	1.99640373847e-06
NG	115	3.145019588e-06
NN	233991	0.00639918502971
NT	98	2.68010364891e-06
TA	1728035	0.0472582949892
TC	2549177	0.0697148834634
TG	2588625	0.070793707226
TN	100	2.73479964174e-06
TT	2528210	0.0691414780225