#dinucleotide	frequency
AA	384	0.0265541802088
AC	202	0.013968605214
AG	750	0.0518636332204
AT	988	0.068321692829
CA	198	0.0136919991702
CC	249	0.0172187262292
CG	232	0.0160431505428
CT	758	0.0524168453081
GA	607	0.041974967153
GC	372	0.0257243620773
GG	1300	0.0898969642487
GT	1754	0.121291750225
TA	1134	0.0784178134292
TC	614	0.0424590277298
TG	1751	0.121084295692
TT	3168	0.219071986723