#dinucleotide	frequency
AA	1887	0.108162329474
AC	1048	0.0600710764645
AG	840	0.0481485727387
AT	2162	0.123925255073
CA	1105	0.0633383010432
CC	870	0.0498681646223
CG	322	0.0184569528832
CT	1206	0.0691275937178
GA	688	0.0394359738622
GC	585	0.0335320417288
GG	392	0.0224693339447
GT	520	0.0298062593145
TA	2257	0.129370629371
TC	1000	0.0573197294509
TG	630	0.0361114295541
TT	1934	0.110856356758