#dinucleotide	frequency
AA	2004	0.114527374557
AC	1796	0.102640301749
AG	774	0.0442336267002
AT	1594	0.0910961252715
CA	1849	0.105669219339
CC	1476	0.0843524974283
CG	386	0.0220596639616
CT	1283	0.0733226654475
GA	665	0.0380043433535
GC	614	0.0350897245399
GG	427	0.0244027888902
GT	392	0.0224025602926
TA	1650	0.0942964910275
TC	1109	0.0633786718482
TG	510	0.0291461881358
TT	969	0.055377757458