#dinucleotide	frequency
AA	17723	0.114688962085
AC	6742	0.0436287864571
AG	8447	0.0546621713443
AT	15483	0.100193488685
CA	8183	0.052953776265
CC	6948	0.0449618523144
CG	4637	0.030006924177
CT	8865	0.0573671302198
GA	9925	0.064226595311
GC	4470	0.0289262348655
GG	6347	0.0410726650316
GT	6926	0.0448194860578
TA	12563	0.0812976037171
TC	10474	0.0677792805327
TG	8237	0.053303220713
TT	18561	0.120111822223