#dinucleotide	frequency
AA	1860	0.111550917596
AC	1442	0.0864819479429
AG	801	0.0480388629003
AT	1540	0.0923593618808
CA	1463	0.0877413937867
CC	1291	0.0774259325897
CG	367	0.0220103154612
CT	1246	0.0747271200672
GA	660	0.0395825836632
GC	632	0.0379033225381
GG	472	0.0283075446803
GT	425	0.0254887849346
TA	1661	0.0996161688857
TC	1002	0.0600935588341
TG	548	0.0328655391628
TT	1264	0.0758066450762