#dinucleotide	frequency
AA	2810422	0.0746882605399
AC	2075673	0.055161967071
AG	2363903	0.0628218122243
AN	62	1.64767858829e-06
AT	2883993	0.0766434437886
CA	2528679	0.0672008104027
CC	1950932	0.0518469174777
CG	1846311	0.0490665661618
CN	34	9.03565677452e-07
CT	2354322	0.0625671927315
GA	2612131	0.0694185857826
GC	2053555	0.0545741710223
GG	1952201	0.0518806417379
GN	27	7.17537449741e-07
GT	2071323	0.0550463638152
NA	61	1.62110312719e-06
NC	27	7.17537449741e-07
NG	32	8.50414755249e-07
NN	19477	0.000517610255874
NT	59	1.56795220499e-06
TA	2182770	0.0580081192286
TC	2600091	0.0690986172309
TG	2526798	0.0671508219604
TN	56	1.48822582169e-06
TT	2795759	0.0742985845537