#dinucleotide	frequency
AA	1696	0.103991661046
AC	1343	0.0823471702741
AG	875	0.0536513581458
AT	1411	0.08651664725
CA	1442	0.0884174382243
CC	1367	0.0838187503832
CG	366	0.0224415966644
CT	1336	0.0819179594089
GA	687	0.0421239806242
GC	612	0.0375252927831
GG	429	0.0263044944509
GT	465	0.0285118646146
TA	1500	0.0919737568214
TC	1189	0.0729045312404
TG	522	0.0320068673738
TT	1069	0.0655466306947