#dinucleotide	frequency
AA	2720	0.170725583731
AC	547	0.0343334170223
AG	516	0.0323876475019
AT	2586	0.162314838062
CA	613	0.0384760230982
CC	360	0.0225960331408
CG	97	0.00608837559628
CT	704	0.0441877981421
GA	537	0.0337057494351
GC	197	0.0123650514687
GG	211	0.0132437860909
GT	316	0.019834295757
TA	2500	0.156916896811
TC	670	0.0420537283455
TG	437	0.0274290735626
TT	2921	0.183341702234