#dinucleotide	frequency
AA	1491	0.0890734213513
AC	590	0.0352470278989
AG	1174	0.0701356114463
AN	1	5.97407252524e-05
AT	1349	0.0805902383655
CA	579	0.0345898799211
CC	447	0.0267041041878
CG	380	0.0227014755959
CN	1	5.97407252524e-05
CT	996	0.0595017623514
GA	893	0.0533484676504
GC	674	0.0402652488201
GG	1143	0.0682836489635
GN	5	0.000298703626262
GT	1258	0.0751538323675
NA	3	0.000179222175757
NC	2	0.000119481450505
NG	4	0.00023896290101
NN	3	0.000179222175757
TA	1639	0.0979150486887
TC	690	0.0412211004242
TG	1271	0.0759304617958
TN	2	0.000119481450505
TT	2144	0.128084114941