#dinucleotide	frequency
AA	6629	0.12623781231
AC	2090	0.0398004265692
AG	2936	0.0559110298598
AN	1	1.9043266301e-05
AT	7181	0.136749695308
CA	2119	0.0403526812919
CC	1034	0.0196907373553
CG	670	0.0127589884217
CT	2548	0.048522242535
GA	2432	0.0463132236441
GC	1130	0.0215188909202
GG	1500	0.0285648994516
GT	2602	0.0495505789153
NA	1	1.9043266301e-05
NN	213	0.00405621572212
NT	1	1.9043266301e-05
TA	7656	0.145795246801
TC	2118	0.0403336380256
TG	2558	0.048712675198
TN	1	1.9043266301e-05
TT	7092	0.135054844607