#dinucleotide	frequency
AA	2532	0.160010111223
AC	853	0.0539054600607
AG	693	0.0437942366026
AT	1959	0.123799292214
CA	879	0.0555485338726
CC	582	0.0367795753286
CG	192	0.0121334681496
CT	949	0.0599721941355
GA	588	0.0371587462083
GC	316	0.0199696663296
GG	317	0.0200328614762
GT	466	0.0294489383215
TA	2037	0.12872851365
TC	851	0.0537790697674
TG	486	0.0307128412538
TT	2124	0.134226491405