#dinucleotide	frequency
AA	1886	0.115691326218
AC	1306	0.0801128695866
AG	814	0.0499325236167
AT	1542	0.0945896209054
CA	1423	0.0872899030794
CC	1301	0.0798061587535
CG	327	0.0200588884799
CT	1231	0.0755122070912
GA	679	0.041651331125
GC	549	0.0336768494663
GG	387	0.0237394184763
GT	415	0.0254569991412
TA	1561	0.0957551220709
TC	1126	0.0690712795976
TG	501	0.0307324254693
TT	1254	0.0769230769231