#dinucleotide	frequency
AA	1902	0.11137135496
AC	1240	0.0726080337276
AG	835	0.0488933130343
AT	1836	0.10750673381
CA	1237	0.0724323691299
CC	1015	0.059433188898
CG	274	0.0160440332592
CT	1250	0.0731935823867
GA	678	0.0397001990865
GC	561	0.0328492797751
GG	463	0.027110902916
GT	499	0.0292188780888
TA	1997	0.116934067221
TC	960	0.056212671273
TG	628	0.0367724557911
TT	1703	0.0997189366436