#dinucleotide	frequency
AA	900	0.0667606260663
AC	282	0.0209183295008
AG	734	0.0544469994808
AT	1526	0.113196350419
CA	314	0.0232920406498
CC	154	0.0114234849047
CG	151	0.0112009494845
CT	501	0.0371634151769
GA	613	0.0454714041985
GC	240	0.0178028336177
GG	603	0.0447296194644
GT	1279	0.0948742674876
TA	1615	0.119798234552
TC	445	0.0330094206661
TG	1247	0.0925005563386
TT	2877	0.213411467992