#dinucleotide	frequency
AA	1542	0.09189511323
AC	1492	0.088915375447
AG	842	0.050178784267
AN	1	5.95947556615e-05
AT	1109	0.0660905840286
CA	1547	0.0921930870083
CC	1899	0.113170441001
CG	473	0.0281883194279
CN	1	5.95947556615e-05
CT	1529	0.0911203814064
GA	702	0.0418355184744
GC	792	0.0471990464839
GG	477	0.0284266984505
GT	414	0.0246722288439
NC	1	5.95947556615e-05
NG	1	5.95947556615e-05
NN	1	5.95947556615e-05
TA	1194	0.0711561382598
TC	1266	0.0754469606675
TG	592	0.0352800953516
TT	905	0.0539332538737