#dinucleotide	frequency
AA	1644	0.0980205103744
AC	1565	0.0933102790365
AG	815	0.0485928929168
AT	1121	0.0668375864536
CA	1527	0.0910445981398
CC	1855	0.110601001669
CG	446	0.0265919389459
CT	1551	0.0924755544956
GA	658	0.0392320534224
GC	737	0.0439422847603
GG	441	0.0262938230384
GT	407	0.0242666348676
TA	1317	0.0785237300262
TC	1222	0.0728595277844
TG	540	0.0321965180062
TT	926	0.0552110660625