#dinucleotide	frequency
AA	1669	0.100614902339
AC	1511	0.0910899445382
AG	864	0.0520858451893
AT	1326	0.0799373040752
CA	1530	0.092235350856
CC	1538	0.0927176272004
CG	412	0.0248372317338
CT	1378	0.0830721003135
GA	669	0.0403303592959
GC	662	0.0399083674946
GG	437	0.0263443453099
GT	472	0.0284543043164
TA	1502	0.0905473836508
TC	1147	0.0691463708705
TG	526	0.0317096696407
TT	945	0.0569688931758