#dinucleotide	frequency
AA	1404	0.085396265434
AC	1271	0.0773067331671
AG	865	0.0526123715102
AT	995	0.0605194331245
CA	1343	0.0816860288304
CC	1859	0.113070981084
CG	536	0.0326014232711
CT	1429	0.0869168542059
GA	760	0.046225898668
GC	872	0.0530381363664
GG	681	0.0414208381485
GT	506	0.0307767167447
TA	1028	0.0625266103035
TC	1165	0.0708594367739
TG	736	0.0447661334469
TT	991	0.060276138921