#dinucleotide	frequency
AA	18514	0.114196540919
AC	6834	0.0421529199872
AG	8693	0.0536194517777
AT	16831	0.103815597937
CA	8387	0.0517320075991
CC	7284	0.0449285731909
CG	5008	0.0308899360983
CT	9209	0.0568022007846
GA	10470	0.0645801978732
GC	4793	0.0295637906787
GG	6766	0.0417334879475
GT	6950	0.0428684217019
TA	13502	0.0832819323481
TC	10977	0.0677074338161
TG	8512	0.0525030223779
TT	19394	0.119624484962