#dinucleotide	frequency
AA	3212	0.148134483236
AC	471	0.0217220864272
AG	720	0.0332057372135
AN	1	4.61190794632e-05
AT	4946	0.228104967025
CA	587	0.0270718996449
CC	201	0.0092699349721
CG	99	0.00456578886685
CT	566	0.0261033989762
GA	624	0.028778305585
GC	217	0.0100078402435
GG	315	0.0145275100309
GT	696	0.0320988793064
NN	99	0.00456578886685
TA	4926	0.227182585436
TC	564	0.0260111608172
TG	718	0.0331134990546
TT	2721	0.125490015219