#dinucleotide	frequency
AA	2015	0.117953521044
AC	1181	0.0691330562548
AG	820	0.0480009366036
AT	2017	0.118070596499
CA	1250	0.0731721594568
CC	907	0.0530937189018
CG	257	0.0150441959843
CT	1199	0.0701867353509
GA	692	0.0405081074753
GC	488	0.0285664110519
GG	434	0.0254053737634
GT	442	0.0258736755839
TA	2077	0.121582860153
TC	1037	0.0607036234853
TG	544	0.0318445237956
TT	1723	0.100860504595