#dinucleotide	frequency
AA	7240	0.151100907858
AC	1679	0.035041218825
AG	2595	0.0541584055098
AT	7899	0.164854429719
CA	1881	0.0392570176354
CC	787	0.0164249191276
CG	352	0.00734634248148
CT	1889	0.0394239799645
GA	2139	0.0446415527497
GC	683	0.014254408849
GG	1170	0.0244182406345
GT	1971	0.041135343838
TA	8152	0.170134613378
TC	1760	0.0367317124074
TG	1846	0.0385265574455
TT	5872	0.122550349577