#dinucleotide	frequency
AA	1876	0.109336752535
AC	1335	0.0778062711272
AG	827	0.0481990908031
AT	1816	0.105839841473
CA	1301	0.0758246881921
CC	1093	0.0637020631775
CG	358	0.0208649026693
CT	1227	0.0715118312158
GA	692	0.0403310409139
GC	614	0.0357850565334
GG	415	0.0241869681781
GT	497	0.0289660799627
TA	1986	0.115747756149
TC	937	0.0546100944166
TG	617	0.0359599020865
TT	1567	0.0913276605665