#dinucleotide	frequency
AA	1368494	0.0421789757488
AC	1849645	0.0570087494713
AG	1988155	0.0612778291537
AN	356	1.09724378525e-05
AT	1079267	0.0332645788871
CA	2246204	0.0692312747026
CC	2224771	0.0685706784653
CG	2831558	0.0872727364631
CN	657	2.02496956998e-05
CT	2032587	0.0626472880264
GA	1966636	0.0606145822713
GC	3253191	0.100268078848
GG	2190941	0.0675279886547
GN	715	2.2037340069e-05
GT	1848424	0.0569711164751
NA	414	1.27600822218e-05
NC	707	2.17907684319e-05
NG	687	2.1174339339e-05
NN	1190692	0.0366988594706
NT	333	1.02635443958e-05
TA	704162	0.0217032971436
TC	2007460	0.0618728373356
TG	2248572	0.0693042599072
TN	413	1.27292607671e-05
TT	1409891	0.0434548915066