#dinucleotide	frequency
AA	1414851	0.0461032327831
AC	1829065	0.0596004875922
AG	2006940	0.065396583811
AN	112	3.64954477306e-06
AT	1085694	0.0353775791325
CA	2203092	0.0717882401175
CC	2089523	0.0680875691324
CG	2335436	0.0761006986304
CN	157	5.11587972651e-06
CT	2044720	0.0666276534675
GA	1928588	0.0628434665605
GC	2789851	0.0909079119165
GG	2055403	0.0669757613855
GN	156	5.08329450533e-06
GT	1815687	0.0591645625032
NA	137	4.46417530275e-06
NC	151	4.92036839939e-06
NG	136	4.43159008157e-06
NN	699161	0.022782315831
NT	129	4.20349353325e-06
TA	789990	0.0257419988863
TC	1964334	0.0640082578771
TG	2191773	0.0714194079989
TN	128	4.17090831206e-06
TT	1443545	0.0470382331198