#dinucleotide	frequency
AA	2578	0.161995727033
AC	896	0.0563026266181
AG	707	0.0444262913158
AT	2056	0.129194420008
CA	951	0.0597587030288
CC	563	0.0353776548951
CG	169	0.0106195802438
CT	892	0.0560512756064
GA	602	0.037828327259
GC	308	0.0193540279
GG	273	0.0171547065477
GT	451	0.0283398265678
TA	2105	0.132273469901
TC	809	0.0508357421139
TG	485	0.0304763101671
TT	2069	0.130011310796