#dinucleotide	frequency
AA	5689662	0.101301372662
AC	2666133	0.0474690645242
AG	2961066	0.052720188008
AN	928	1.65225410279e-05
AT	5113848	0.0910493139985
CA	3307977	0.058896751834
CC	1754434	0.0312367540364
CG	1106663	0.0197035396784
CN	504	8.97344900655e-06
CT	2962958	0.0527538740507
GA	2967353	0.0528321246626
GC	1742048	0.0310162279662
GG	1758382	0.0313070460536
GN	486	8.65296868489e-06
GT	2675115	0.0476289842047
NA	838	1.49201394196e-05
NC	563	1.00239122831e-05
NG	479	8.52833744869e-06
NN	4995471	0.0889416751631
NT	858	1.52762286659e-05
TA	4465794	0.0795110609777
TC	2969351	0.0528676979783
TG	3316826	0.059054303521
TN	821	1.46174635603e-05
TT	5707137	0.101612505641