#dinucleotide	frequency
AA	2646	0.128092172145
AC	359	0.0173790966743
AG	909	0.0440044536961
AN	10	0.000484097400397
AT	2361	0.114295396234
CA	498	0.0241080505398
CC	331	0.0160236239531
CG	393	0.0190250278356
CN	2	9.68194800794e-05
CT	603	0.0291910732439
GA	922	0.0446337803166
GC	491	0.0237691823595
GG	1496	0.0724209710994
GN	7	0.000338868180278
GT	1304	0.0631263010118
NA	11	0.000532507140437
NC	1	4.84097400397e-05
NG	6	0.000290458440238
NN	2	9.68194800794e-05
NT	9	0.000435687660357
TA	2208	0.106888706008
TC	645	0.0312242823256
TG	1416	0.0685481918962
TN	8	0.000387277920318
TT	4019	0.19455874522