#dinucleotide	frequency
AA	2830249	0.0675718008385
AC	2324289	0.0554920762799
AG	2806254	0.0669989235542
AN	59	1.40861678583e-06
AT	2761771	0.0659368981222
CA	2936600	0.070110916157
CC	2363240	0.056422025982
CG	2056003	0.0490867853815
CN	40	9.54994431069e-07
CT	2809050	0.0670656776649
GA	2975632	0.0710427997228
GC	2504478	0.0597940635684
GG	2370224	0.0565887680097
GN	44	1.05049387418e-06
GT	2324921	0.0555071651919
NA	53	1.26536762117e-06
NC	53	1.26536762117e-06
NG	41	9.78869291846e-07
NN	90627	0.00216370700761
NT	42	1.00274415262e-06
TA	1980094	0.0472744685748
TC	2972875	0.0709769767316
TG	2942776	0.0702583672971
TN	46	1.09824359573e-06
TT	2835600	0.0676995552185