#dinucleotide	frequency
AA	2574	0.175054406964
AC	507	0.0344804134929
AG	490	0.033324265506
AT	2030	0.138057671382
CA	640	0.0435255712731
CC	392	0.0266594124048
CG	140	0.009521218716
CT	727	0.0494423286181
GA	539	0.0366566920566
GC	236	0.016050054407
GG	259	0.0176142546246
GT	351	0.0238710554951
TA	1847	0.125612078346
TC	764	0.0519586507073
TG	496	0.0337323177367
TT	2712	0.18443960827