#dinucleotide	frequency
AA	2768	0.17762946801
AC	880	0.0564717961882
AG	688	0.0441506770198
AT	2216	0.142206250401
CA	1033	0.0662901880254
CC	525	0.0336905602259
CG	160	0.0102675993069
CT	709	0.0454982994289
GA	631	0.0404928447667
GC	285	0.0182891612655
GG	267	0.0171340563435
GT	416	0.026695758198
TA	2120	0.136045690817
TC	737	0.0472951293076
TG	484	0.0310594879035
TT	1664	0.106783032792