#dinucleotide	frequency
AA	1450	0.0875603864734
AC	1213	0.0732487922705
AG	882	0.0532608695652
AT	1064	0.0642512077295
CA	1221	0.073731884058
CC	1698	0.102536231884
CG	491	0.0296497584541
CT	1499	0.0905193236715
GA	741	0.0447463768116
GC	833	0.0503019323671
GG	618	0.0373188405797
GT	520	0.0314009661836
TA	1197	0.0722826086957
TC	1165	0.0703502415459
TG	720	0.0434782608696
TT	1248	0.0753623188406