#dinucleotide	frequency
AA	1246374	0.131151346381
AC	484558	0.0509882540071
AG	528414	0.055603059392
AN	15	1.57839476411e-06
AT	945524	0.0994940087292
CA	616724	0.0648955954999
CC	268761	0.0282807303464
CG	132208	0.0139117609982
CN	2	2.10452635214e-07
CT	522984	0.0550316804874
GA	545470	0.0573977994652
GC	246599	0.0259487046956
GG	273507	0.0287801344498
GN	5	5.26131588036e-07
GT	489017	0.0514574581573
NA	14	1.4731684465e-06
NC	7	7.3658422325e-07
NG	3	3.15678952821e-07
NN	5	5.26131588036e-07
NT	8	8.41810540857e-07
TA	796306	0.0837923480685
TC	540739	0.0568999737566
TG	620473	0.0652900889646
TN	10	1.05226317607e-06
TT	1245599	0.131069795985