#dinucleotide	frequency
AA	1535	0.110185916302
AC	492	0.0353169191013
AG	880	0.0631684731893
AS	1	7.17823558969e-05
AT	1560	0.111980475199
CA	498	0.0357476132367
CC	362	0.0259852128347
CG	249	0.0178738066183
CT	674	0.0483813078745
CY	1	7.17823558969e-05
GA	767	0.0550570669729
GC	355	0.0254827363434
GG	701	0.0503194314837
GT	812	0.0582872729883
SA	1	7.17823558969e-05
TA	1666	0.119589404924
TC	575	0.0412748546407
TG	805	0.057784796497
TT	1995	0.143205800014
YT	1	7.17823558969e-05
YY	1	7.17823558969e-05