#dinucleotide	frequency
AA	2406	0.150346809973
AC	875	0.054677248016
AG	702	0.0438667749797
AT	1954	0.122102105855
CA	903	0.0564269199525
CC	660	0.0412422670749
CG	175	0.0109354496032
CT	1057	0.0660501156033
GA	640	0.039992501406
GC	363	0.0226832468912
GG	311	0.019433856152
GT	459	0.0286821221021
TA	1988	0.124226707492
TC	897	0.0560519902518
TG	585	0.0365556458164
TT	2028	0.12672623883