#dinucleotide	frequency
AA	2109346	0.0763001847797
AC	1656647	0.0599249588331
AG	1549106	0.056034938812
AN	22	7.95793608613e-07
AT	1668683	0.0603603302818
CA	1839849	0.0665518215915
CC	1501437	0.0543106349243
CG	1744158	0.0630904449459
CN	23	8.31966045368e-07
CT	1546852	0.0559534061395
GA	1867234	0.067542403772
GC	1610482	0.0582550582903
GG	1496021	0.0541147250068
GN	22	7.95793608613e-07
GT	1653167	0.0597990787531
NA	26	9.40483355633e-07
NC	22	7.95793608613e-07
NG	22	7.95793608613e-07
NN	432938	0.0156604224239
NT	25	9.04310918878e-07
TA	1167345	0.0422257131839
TC	1863706	0.0674147874151
TG	1837645	0.0664720975409
TN	28	1.01282822914e-06
TT	2100553	0.0759821205433