#dinucleotide	frequency
AA	6124	0.155830937174
AC	1938	0.0493142319143
AG	2339	0.0595180538945
AT	4135	0.105218962315
CA	1969	0.0501030560574
CC	965	0.0245553321967
CG	814	0.0207129952416
CT	2046	0.0520623934451
GA	1875	0.047711137688
GC	1196	0.0304333443599
GG	922	0.0234611567724
GT	2002	0.0509427720807
TA	4568	0.116237054378
TC	1695	0.0431308684699
TG	1920	0.0488562049925
TT	4791	0.12191149902