#dinucleotide	frequency
AA	6771	0.178390768258
AC	1363	0.0359100010539
AG	1521	0.0400727157762
AT	5088	0.134049952577
CA	1536	0.0404679102118
CC	668	0.0175993255348
CG	427	0.0112498682685
CT	1379	0.0363315417852
GA	1350	0.0355674992096
GC	621	0.0163610496364
GG	943	0.0248445568553
GT	1540	0.0405732953947
TA	5086	0.133997259985
TC	1358	0.0357782695753
TG	1563	0.041179260196
TT	6742	0.177626725682