#dinucleotide	frequency
AA	2512	0.165579065322
AC	507	0.0334190231362
AG	472	0.0311119899809
AN	1	6.59152330103e-05
AT	2476	0.163206116934
CA	607	0.0400105464373
CC	330	0.0217520268934
CG	87	0.0057346252719
CT	673	0.044360951816
GA	511	0.0336826840683
GC	183	0.0120624876409
GG	192	0.012655724738
GT	273	0.0179948586118
NT	1	6.59152330103e-05
TA	2339	0.154175730011
TC	677	0.044624612748
TG	408	0.0268934150682
TT	2922	0.192604310856