#dinucleotide	frequency
AA	1706	0.105654301109
AC	679	0.0420511550133
AG	941	0.0582770793336
AN	1	6.19310088561e-05
AT	1687	0.10447761194
CA	737	0.045643153527
CC	447	0.0276831609587
CG	220	0.0136248219483
CT	962	0.0595776305196
GA	796	0.0492970830495
GC	452	0.027992816003
GG	583	0.0361057781631
GT	824	0.0510311512975
NC	1	6.19310088561e-05
NN	40	0.00247724035425
TA	1776	0.109989471728
TC	787	0.0487397039698
TG	911	0.0564191490679
TT	2597	0.160834829999