#dinucleotide	frequency
AA	22638328	0.128367724211
AC	8684149	0.0492423488093
AG	9343545	0.0529813689292
AN	2975	1.6869354465e-05
AT	18264130	0.103564397635
CA	11322274	0.0642014969599
CC	4535109	0.0257157516835
CG	3600344	0.0204152871031
CN	1307	7.41117522209e-06
CT	9355595	0.0530496969028
GA	11000822	0.0623787447812
GC	4581383	0.0259781424426
GG	4537359	0.0257285100188
GN	1313	7.44519744958e-06
GT	8691528	0.0492841904787
NA	2409	1.36599243382e-05
NC	1395	7.91016789198e-06
NG	1317	7.46787893458e-06
NN	810212	0.00459420283018
NT	3060	1.73513360211e-05
TA	13973765	0.0792364352925
TC	11012145	0.0624429503949
TG	11329698	0.064243593796
TN	2586	1.46635800492e-05
TT	22658548	0.128482379117