#dinucleotide	frequency
AA	2504	0.161945414565
AC	585	0.0378346915017
AG	434	0.0280688138663
AT	2455	0.158776354935
CA	634	0.0410037511318
CC	489	0.0316259216143
CG	100	0.00646746863278
CT	784	0.050704954081
GA	503	0.0325313672229
GC	199	0.0128702625792
GG	207	0.0133876600698
GT	255	0.0164920450136
TA	2338	0.151209416634
TC	734	0.0474712197646
TG	423	0.0273573923166
TT	2818	0.182253266072