#dinucleotide	frequency
AA	6400	0.153410997651
AC	1501	0.0359796730428
AG	1667	0.0399587707944
AT	6999	0.167769308212
CA	1566	0.0375377534877
CC	674	0.0161560956901
CG	351	0.00841363440242
CT	1709	0.0409655304665
GA	1644	0.0394074500216
GC	559	0.0133994918261
GG	672	0.0161081547533
GT	1431	0.034301740256
TA	6956	0.166738578072
TC	1566	0.0375377534877
TG	1616	0.0387362769069
TT	6407	0.15357879093