#dinucleotide	frequency
AA	1673	0.101197677232
AC	1289	0.0779699975805
AG	927	0.0560730704089
AT	1328	0.0803290587951
CA	1264	0.0764577788531
CC	1426	0.0862569562061
CG	414	0.0250423421244
CT	1323	0.0800266150496
GA	744	0.0450036293249
GC	727	0.0439753205904
GG	489	0.0295789983063
GT	508	0.0307282845391
TA	1537	0.0929712073554
TC	985	0.0595814178563
TG	637	0.038531333172
TT	1261	0.0762763126059