#dinucleotide	frequency
AA	135320	0.0199112469264
AC	315163	0.0463736943176
AG	336081	0.0494516093576
AT	206377	0.0303667115499
CA	316923	0.0466326641269
CC	706524	0.103959309957
CG	1045663	0.153860879358
CN	2	2.94283874171e-07
CT	331119	0.0487214910658
GA	471624	0.0693956689359
GC	911175	0.134072054524
GG	713316	0.104958697994
GN	20	2.94283874171e-06
GT	317092	0.0466575311143
NA	1	1.47141937085e-07
NC	3	4.41425811256e-07
NG	19	2.79569680462e-06
NN	3	4.41425811256e-07
TA	69072	0.0101633878784
TC	467380	0.0687711985549
TG	318109	0.0468071744643
TN	1	1.47141937085e-07
TT	135172	0.0198894699197