#dinucleotide	frequency
AA	2577	0.149738524114
AC	1262	0.0733294596165
AG	649	0.0377106333527
AT	2191	0.127309703661
CA	1160	0.0674026728646
CC	913	0.0530505520046
CG	197	0.0114468332365
CT	1086	0.0631028471819
GA	539	0.0313190005811
GC	318	0.0184776292853
GG	277	0.016095293434
GT	454	0.0263800116212
TA	2402	0.139570017432
TC	863	0.0501452643812
TG	465	0.0270191748983
TT	1857	0.107902382336