#dinucleotide	frequency
AA	1599	0.0928140236824
AC	1531	0.0888669607616
AG	865	0.0502089621546
AT	1199	0.069596006501
CA	1586	0.092059438124
CC	1848	0.107267239378
CG	474	0.0275133503599
CT	1587	0.0921174831669
GA	719	0.0417343858834
GC	785	0.0455653587184
GG	466	0.0270489900163
GT	438	0.0254237288136
TA	1290	0.0748781054098
TC	1332	0.0773159972138
TG	602	0.0349431158579
TT	907	0.0526468539587