#dinucleotide	frequency
AA	1305160	0.0479822746898
AC	1346785	0.0495125561756
AG	1743126	0.0640834461299
AN	295	1.08452381574e-05
AT	1372016	0.0504401365279
CA	1646545	0.0605327886842
CC	2094137	0.07698784576
CG	2103625	0.0773366580299
CN	554	2.03669896244e-05
CT	1744452	0.0641321945564
GA	2011539	0.0739512526029
GC	2134359	0.0784665480283
GG	2079943	0.0764660243688
GN	484	1.77935432819e-05
GT	1344854	0.04944156582
NA	372	1.36760291341e-05
NC	490	1.8014124397e-05
NG	538	1.97787733175e-05
NN	504367	0.018542305877
NT	327	1.20216707711e-05
TA	803769	0.0295493770458
TC	2013538	0.0740247428778
TG	1643947	0.0604372770614
TN	394	1.4484826556e-05
TT	1305262	0.0479860245688