#dinucleotide	frequency
AA	1987	0.122510635674
AC	486	0.029964856033
AG	1037	0.0639373574203
AT	1815	0.111905789506
CA	525	0.0323694432456
CC	315	0.0194216659473
CG	197	0.0121462482274
CT	772	0.0475984955916
GA	826	0.0509279240397
GC	348	0.0214563166656
GG	784	0.0483383685801
GT	826	0.0509279240397
TA	1986	0.122448979592
TC	661	0.0407546704482
TG	766	0.0472285590974
TT	2888	0.178062765892