#dinucleotide	frequency
AA	1756	0.118736899047
AC	418	0.0282642504564
AG	875	0.0591655960511
AT	2014	0.136182297654
CA	410	0.027723307864
CC	209	0.0141321252282
CG	119	0.00804652106295
CT	660	0.0446277638786
GA	704	0.0476029481371
GC	169	0.0114274122659
GG	221	0.0149435391169
GT	672	0.0454391777673
TA	2194	0.148353505984
TC	602	0.0407059300832
TG	550	0.0371898032321
TT	3216	0.217458922172