#dinucleotide	frequency
AA	2918	0.188659727161
AC	465	0.0300640072412
AG	270	0.0174565203336
AT	2962	0.191504493438
CA	618	0.0399560354303
CC	262	0.0169392901015
CG	63	0.00407318807784
CT	555	0.0358828473524
GA	409	0.0264433956165
GC	87	0.00562487877416
GG	115	0.00743518458654
GT	160	0.0103446046421
TA	2671	0.172690243745
TC	684	0.0442231848452
TG	323	0.0208831706213
TT	2905	0.187819228034