#dinucleotide	frequency
AA	1908	0.116150240458
AC	1015	0.0617885189018
AG	784	0.0477263042552
AT	1801	0.109636573933
CA	1111	0.0676325561575
CC	890	0.0541790953917
CG	317	0.0192974980215
CT	1012	0.0616058927376
GA	716	0.0435867778657
GC	532	0.0323857064589
GG	501	0.0304985694284
GT	498	0.0303159432641
TA	1774	0.107992938455
TC	893	0.054361721556
TG	644	0.0392037499239
TT	2031	0.123637913192