#dinucleotide	frequency
AA	4089001	0.13395694332
AC	1205650	0.0394974686272
AG	1601147	0.0524540732385
AN	508	1.6642237849e-05
AT	3834831	0.125630255143
CA	1693025	0.0554640250674
CC	699436	0.0229137406932
CG	217226	0.00711639125783
CN	163	5.33993064839e-06
CT	1590687	0.0521114003883
GA	1684026	0.0551692150312
GC	622663	0.0203986333578
GG	703058	0.0230323985386
GN	170	5.56925282347e-06
GT	1210129	0.0396442020589
NA	572	1.87388977354e-05
NC	166	5.43821158057e-06
NG	166	5.43821158057e-06
NN	658258	0.0215647366181
NT	508	1.6642237849e-05
TA	3264400	0.106942758335
TC	1672630	0.0547958785301
TG	1698465	0.0556422411578
TN	573	1.87716580462e-05
TT	4077283	0.133573057999