#dinucleotide	frequency
AA	1909	0.116530338176
AC	1017	0.0620803320718
AG	776	0.0473690636064
AN	1	6.10426077402e-05
AR	1	6.10426077402e-05
AT	1765	0.107740202661
CA	1118	0.0682456354535
CC	941	0.0574410938835
CG	294	0.0179465266756
CT	1000	0.0610426077402
GA	707	0.0431571236723
GC	556	0.0339396899036
GG	500	0.0305213038701
GT	487	0.0297277499695
NG	1	6.10426077402e-05
NN	11	0.000671468685142
RA	1	6.10426077402e-05
TA	1735	0.105908924429
TC	839	0.051214747894
TG	678	0.0413868880479
TT	2045	0.124832132829