#dinucleotide	frequency
AA	110822	0.0240761942833
AC	184998	0.0401910071106
AG	247894	0.0538552282548
AN	1	2.17251035744e-07
AT	176610	0.0383687054228
CA	242511	0.0526857659294
CC	466574	0.101363684751
CG	634397	0.137823405323
CT	244068	0.053024025792
GA	323889	0.0703652207162
GC	611749	0.132903103866
GG	457728	0.0994418820892
GN	1	2.17251035744e-07
GT	185443	0.0402876838215
NG	3	6.51753107233e-07
NN	98	2.12906015029e-05
TA	43103	0.00936417139369
TC	324228	0.0704388688173
TG	238786	0.0518765058212
TN	1	2.17251035744e-07
TT	110066	0.0239119525002