#dinucleotide	frequency
AA	2702	0.170419426049
AC	655	0.041311888994
AG	610	0.0384736676127
AT	2177	0.137306843267
CA	697	0.0439608956165
CC	500	0.0315357931252
CG	132	0.00832544938505
CT	918	0.0578997161779
GA	607	0.038284452854
GC	284	0.0179123304951
GG	229	0.0144433932513
GT	338	0.0213181961526
TA	2138	0.134847051403
TC	808	0.0509618416903
TG	487	0.0307158625039
TT	2573	0.162283191422