#dinucleotide	frequency
AA	1885	0.108041497106
AC	1587	0.0909611967674
AG	822	0.0471141170402
AT	1339	0.0767467186336
CA	1618	0.0927380065341
CC	1822	0.104430561128
CG	447	0.0256204505073
CT	1429	0.0819051986015
GA	698	0.0400068779733
GC	670	0.0384020175388
GG	456	0.026136298504
GT	414	0.0237290078524
TA	1432	0.0820771479337
TC	1237	0.0709004413366
TG	512	0.029346019373
TT	1079	0.0618444431707