#dinucleotide	frequency
AA	1422082	0.0467699376361
AC	1838110	0.0604524141845
AG	2014007	0.0662373771616
AN	201	6.61055935232e-06
AT	1085616	0.0357041243872
CA	2217720	0.072937162621
CC	2148397	0.0706572431882
CG	2394213	0.0787417270576
CN	175	5.75546212266e-06
CT	2053760	0.0675447879374
GA	1935910	0.0636688953022
GC	2850259	0.0937403297959
GG	2105531	0.0692474509634
GN	323	1.06229386607e-05
GT	1832116	0.0602552813847
NA	187	6.1501223825e-06
NC	296	9.73495307605e-06
NG	177	5.82123883264e-06
NN	80993	0.00266372653543
NT	219	7.20254974207e-06
TA	784125	0.0257885813539
TC	1977178	0.0650261319358
TG	2210236	0.0726910261723
TN	180	5.9199038976e-06
TT	1453888	0.0478159846548