#dinucleotide	frequency
AA	2165688	0.0742177178897
AC	1552109	0.0531904816834
AG	2028137	0.0695038711521
AN	58	1.98764902313e-06
AT	1803090	0.0617915530537
CA	2020182	0.0692312548076
CC	1699623	0.0582457585455
CG	1278616	0.0438179283337
CN	117	4.009567857e-06
CT	2031562	0.0696212452539
GA	1853161	0.0635074767474
GC	1926442	0.0660188027485
GG	1703913	0.0583927760336
GN	95	3.25563202064e-06
GT	1556271	0.0533331126358
NA	71	2.4331565628e-06
NC	98	3.35844145287e-06
NG	110	3.7696791818e-06
NN	91	3.11855277767e-06
NT	72	2.46742637354e-06
TA	1509939	0.0517453237644
TC	1851812	0.0634612467727
TG	2029121	0.0695375926459
TN	81	2.77585467023e-06
TT	2169743	0.0743566819722