#dinucleotide	frequency
AA	17829	0.11176234595
AC	6909	0.0433095545554
AG	8696	0.05451149029
AT	16302	0.102190238582
CA	8574	0.0537467246718
CC	7268	0.0455599714153
CG	4837	0.0303210761882
CT	9284	0.0581974098266
GA	10734	0.0672868372554
GC	4488	0.0281333450347
GG	6772	0.0424507603776
GT	6913	0.0433346288379
TA	12599	0.0789777214999
TC	11298	0.0708223110966
TG	8602	0.0539222446498
TT	18421	0.115473339769