#dinucleotide	frequency
AA	1762	0.106471690132
AC	1286	0.0777086228775
AG	937	0.0566197353314
AT	1432	0.086530908212
CA	1342	0.0810925131428
CC	1228	0.0742038793885
CG	409	0.0247144842589
CT	1152	0.0696114568856
GA	773	0.0467097709831
GC	701	0.0423590549278
GG	528	0.0319052510726
GT	520	0.0314218381775
TA	1541	0.0931174089069
TC	916	0.055350776482
TG	647	0.0390960178863
TT	1375	0.0830865913348