#dinucleotide	frequency
AA	1885	0.0992314171405
AC	691	0.0363760791746
AG	1124	0.059170351653
AN	19	0.00100021057065
AT	1897	0.0998631290798
CA	790	0.0415877026742
CC	554	0.0291640345336
CG	409	0.0215308485997
CN	6	0.000315855969678
CT	880	0.0463255422194
GA	991	0.0521688776585
GC	638	0.0335860181091
GG	1145	0.0602758475469
GN	8	0.000421141292904
GT	1139	0.0599599915772
NA	11	0.000579069277743
NC	7	0.000368498631291
NG	10	0.00052642661613
NN	2	0.000105285323226
NT	20	0.00105285323226
TA	1939	0.102074120868
TC	749	0.0394293535481
TG	1233	0.0649084017688
TN	15	0.000789639924195
TT	2834	0.149189303011