#dinucleotide	frequency
AA	2140	0.13101506061
AC	941	0.0576098934737
AG	676	0.0413860658749
AT	1977	0.121035876087
CA	874	0.0535080200808
CC	664	0.0406514019836
CG	221	0.0135300599976
CT	1137	0.0696094036978
GA	577	0.0353250887719
GC	388	0.0237541324844
GG	322	0.0197134810824
GT	470	0.0287743357414
TA	2143	0.131198726583
TC	904	0.055344679809
TG	538	0.0329374311253
TT	2362	0.144606342598