#dinucleotide	frequency
AA	875	0.0638313393639
AC	293	0.0213743799241
AG	754	0.0550043770061
AT	1560	0.113802159323
CA	329	0.0240005836008
CC	152	0.0110884155238
CG	154	0.011234315728
CT	500	0.0364750510651
GA	610	0.0444995622994
GC	212	0.0154654216516
GG	550	0.0401225561716
GT	1325	0.0966588853224
TA	1668	0.121680770353
TC	478	0.0348701488182
TG	1239	0.0903851765392
TT	3009	0.21950685731