#dinucleotide	frequency
AA	8717	0.128844874732
AC	2838	0.0419481191338
AG	3744	0.0553395905698
AT	5979	0.0883748429532
CA	3891	0.0575123789816
CC	2138	0.0316015076491
CG	1979	0.0292513487547
CT	4090	0.060453772818
GA	4938	0.0729879535881
GC	1770	0.0261621461828
GG	2487	0.0367600325179
GT	3271	0.0483482373808
TA	3732	0.0551622200872
TC	5352	0.0791072352376
TG	4256	0.0629073978272
TT	8473	0.125238341586