#dinucleotide	frequency
AA	1734	0.0927024859663
AC	1290	0.0689655172414
AG	998	0.0533547179898
AT	1421	0.0759689922481
CA	1299	0.0694466720128
CC	1713	0.0915797914996
CG	452	0.0241646618551
CT	1549	0.0828120823309
GA	811	0.0433573910719
GC	834	0.0445870088212
GG	707	0.0377973803796
GT	624	0.033360064154
TA	1599	0.0854851643945
TC	1176	0.0628708901363
TG	818	0.0437316225608
TT	1680	0.0898155573376