#dinucleotide	frequency
AA	17005	0.107484403542
AC	7187	0.0454272512942
AG	8547	0.0540234752764
AT	16266	0.102813367128
CA	8831	0.055818569108
CC	7342	0.046406967998
CG	4921	0.0311044251591
CT	9052	0.0572154555051
GA	10684	0.0675309242837
GC	4438	0.0280515014949
GG	6790	0.0429179123817
GT	7222	0.0456484776467
TA	12485	0.0789146003072
TC	11179	0.0706596969831
TG	8876	0.0561030029897
TT	17384	0.109879968902