#dinucleotide	frequency
AA	1892	0.117035754052
AC	1234	0.0763330446616
AG	742	0.0458987999505
AT	1738	0.107509588024
CA	1382	0.0854880613634
CC	939	0.0580848694792
CG	286	0.0176914511939
CT	990	0.061239638748
GA	633	0.0391562538661
GC	543	0.03358901398
GG	427	0.0264134603489
GT	440	0.0272176172213
TA	1699	0.105097117407
TC	881	0.0544970926636
TG	587	0.0363107757021
TT	1753	0.108437461339