#dinucleotide	frequency
AA	1849	0.0996765498652
AC	583	0.0314285714286
AG	1082	0.0583288409704
AN	13	0.000700808625337
AT	2009	0.108301886792
CA	728	0.0392452830189
CC	434	0.0233962264151
CG	310	0.0167115902965
CN	5	0.000269541778976
CT	824	0.0444204851752
GA	953	0.0513746630728
GC	547	0.0294878706199
GG	1071	0.0577358490566
GN	5	0.000269541778976
GT	1140	0.0614555256065
NA	18	0.000970350404313
NC	4	0.000215633423181
NG	5	0.000269541778976
NN	4	0.000215633423181
NT	22	0.00118598382749
TA	1988	0.107169811321
TC	733	0.0395148247978
TG	1248	0.0672776280323
TN	26	0.00140161725067
TT	2949	0.15897574124