#dinucleotide	frequency
AA	2097507	0.0431887457196
AC	2725793	0.0561254769406
AG	3199085	0.0658708021477
AN	23	4.73581805234e-07
AT	1936064	0.0398645514856
CA	3522404	0.072528106308
CC	3693739	0.0760559818993
CG	3903530	0.0803756862689
CN	85	1.75019362804e-06
CT	3167676	0.0652240747164
GA	3187693	0.0656362350205
GC	4714306	0.0970699802568
GG	3733283	0.0768702131561
GN	62	1.27661182281e-06
GT	2745152	0.056524088687
NA	27	5.55943858318e-07
NC	84	1.72960311477e-06
NG	62	1.27661182281e-06
NT	14	2.88267185795e-07
TA	1150540	0.0236902091389
TC	3152951	0.0649208794085
TG	3544989	0.0729931430502
TN	17	3.50038725608e-07
TT	2090969	0.0430541249439