#dinucleotide	frequency
AA	23833235	0.091374353377
AC	12837288	0.049216939711
AG	14121357	0.0541399379765
AN	3539	1.35681889849e-05
AT	21605674	0.0828340966312
CA	16060831	0.0615756965985
CC	10932893	0.0419156706345
CG	8139905	0.0312076206157
CN	7873	3.01843322628e-05
CT	14115472	0.054117375447
GA	14137685	0.0542025379736
GC	11354639	0.0435326046361
GG	10935812	0.0419268618025
GN	7246	2.77804739713e-05
GT	12830081	0.0491893087594
NA	3097	1.18736030761e-05
NC	7303	2.79990065433e-05
NG	7729	2.96322499757e-05
NN	17507065	0.0671204200313
NT	3555	1.36295314612e-05
TA	18366314	0.0704146988719
TC	14124643	0.0541525361876
TG	16060879	0.061575880626
TN	3026	1.16013958373e-05
TT	23823542	0.091337191338