#dinucleotide	frequency
AA	5517312	0.167361545349
AC	1354508	0.0410874991423
AG	1254549	0.0380553536498
AN	152	4.61075155675e-06
AT	4290389	0.130144195795
CA	1751925	0.053142703428
CC	727351	0.0220633865497
CG	295619	0.00896727476615
CN	53	1.6076962665e-06
CT	1248145	0.0378610954066
GA	1449026	0.0439545979294
GC	490758	0.0148866000822
GG	725956	0.0220210707706
GN	64	1.94136907653e-06
GT	1348344	0.0409005210331
NA	134	4.06474150398e-06
NC	51	1.54702848286e-06
NG	66	2.00203686017e-06
NN	114835	0.00348339246723
NT	162	4.91409047496e-06
TA	3698528	0.112190748248
TC	1450431	0.0439972170474
TG	1737938	0.0527184232831
TN	144	4.36808042218e-06
TT	5509986	0.167139319258