#dinucleotide	frequency
AA	3486	0.120302308728
AC	1197	0.0413086240812
AG	1657	0.0571832832936
AT	4105	0.141664078407
CA	1151	0.0397211581599
CC	455	0.0157021085689
CG	276	0.00952479552749
CT	1412	0.0487283017566
GA	1229	0.0424129482003
GC	615	0.0212237291645
GG	711	0.0245367015219
GT	1494	0.0515581323118
TA	4578	0.157987369293
TC	1027	0.0354419021983
TG	1405	0.0484867308555
TT	4179	0.144217827932