#dinucleotide	frequency
AA	1580	0.101295037825
AC	1382	0.0886011027055
AG	830	0.05321195025
AT	1178	0.075522502885
CA	1385	0.0887934350558
CC	1512	0.0969355045519
CG	323	0.0207077830491
CT	1443	0.0925118604949
GA	646	0.0414155660982
GC	625	0.0400692396461
GG	426	0.0273111937428
GR	1	6.41107834338e-05
GT	383	0.0245544300551
RC	1	6.41107834338e-05
TA	1360	0.0871906654699
TC	1143	0.0732786254648
TG	501	0.0321195025003
TT	879	0.0563533786383