#dinucleotide	frequency
AA	2424	0.162695482918
AC	872	0.0585274179475
AG	566	0.037989126787
AN	9	0.000604067387073
AT	1836	0.123229746963
CA	733	0.0491979327472
CC	743	0.0498691187328
CG	167	0.0112088059601
CN	3	0.000201355795691
CT	1004	0.0673870729579
GA	551	0.0369823478086
GC	267	0.0179206658165
GG	249	0.0167125310424
GT	344	0.0230887979059
NA	2	0.000134237197127
NG	1	6.71185985637e-05
NT	11	0.0007383045842
TA	1997	0.134035841332
TC	768	0.0515470836969
TG	428	0.0287267601852
TN	2	0.000134237197127
TT	1922	0.129001946439