#dinucleotide	frequency
AA	2186021	0.0513252276567
AC	2290210	0.053771464058
AG	2724722	0.0639732998682
AN	134	3.14616396914e-06
AT	2001208	0.0469860336146
CA	2841437	0.0667136321641
CC	3117927	0.0732052954166
CG	3393060	0.0796650978891
CN	178	4.17923273513e-06
CT	2721658	0.0639013607159
GA	2881659	0.0676579978893
GC	3788940	0.0889598993228
GG	3113384	0.0730986310665
GN	163	3.82705020127e-06
GT	2278048	0.0534859144596
NA	158	3.70965602332e-06
NC	182	4.27314807749e-06
NG	161	3.78009253009e-06
NN	68970	0.00161933529069
NT	160	3.7566136945e-06
TA	1292953	0.0303570309134
TC	2877092	0.0675507700471
TG	2830754	0.0664628077635
TN	186	4.36706341986e-06
TT	2182185	0.0512351628433