#dinucleotide	frequency
AA	2688	0.147724774676
AC	990	0.0544075621016
AG	620	0.0340734227303
AT	2421	0.133051220048
CA	951	0.0522642338976
CC	717	0.0394042646736
CG	168	0.00923279841723
CT	1225	0.067322488459
GA	537	0.0295119806551
GC	336	0.0184655968345
GG	251	0.0137942404924
GT	378	0.0207737964388
TA	2542	0.139701033194
TC	1018	0.0559463618378
TG	464	0.0255001099143
TT	2890	0.15882611563