#dinucleotide	frequency
AA	130627	0.0197069937372
AC	309846	0.0467448014689
AG	325466	0.0491013069554
AN	1	1.50864627812e-07
AT	198556	0.0299550770398
CA	310528	0.0468476911451
CC	695261	0.104890291997
CG	1025978	0.154783789113
CN	2	3.01729255623e-07
CT	323008	0.0487304817002
GA	457649	0.0690430460534
GC	892956	0.134715474592
GG	696396	0.10506152335
GN	1	1.50864627812e-07
GT	305793	0.0461333471324
NC	1	1.50864627812e-07
NG	2	3.01729255623e-07
NN	552	8.3277274552e-05
NT	1	1.50864627812e-07
TA	65694	0.00991090085946
TC	456705	0.0689006298447
TG	304966	0.0460085820852
TT	128470	0.019381578735