#dinucleotide	frequency
AA	1691	0.104144854345
AC	1360	0.0837593151444
AG	781	0.0481000184763
AT	1370	0.0843751924617
CA	1433	0.0882552195603
CC	1335	0.0822196218513
CG	421	0.0259284350557
CT	1175	0.0723655847755
GA	651	0.0400936133522
GC	757	0.0466219129149
GG	481	0.0296236989592
GT	489	0.030116400813
TA	1427	0.0878856931699
TC	912	0.0561680113321
TG	694	0.0427418858163
TT	1260	0.077600541972