#dinucleotide	frequency
AA	2041	0.103138107029
AC	662	0.0334529283946
AG	1215	0.0613977462226
AN	4	0.000202132497852
AT	2078	0.105007832634
CA	784	0.0396179695791
CC	477	0.0241043003689
CG	339	0.017130729193
CN	1	5.05331244631e-05
CT	906	0.0457830107636
GA	1069	0.054019910051
GC	602	0.0304209409268
GG	1167	0.0589721562484
GT	1194	0.0603365506089
NA	2	0.000101066248926
NC	1	5.05331244631e-05
NG	2	0.000101066248926
NN	1	5.05331244631e-05
TA	2103	0.106271160746
TC	765	0.0386578402143
TG	1310	0.0661983930466
TT	3066	0.154934559604