#dinucleotide	frequency
AA	16382	0.213956404195
AC	1619	0.0211448796479
AG	2701	0.0352762939648
AT	14373	0.187717946374
CA	1855	0.0242271474656
CC	671	0.00876356654956
CG	296	0.00386589522902
CT	1730	0.0225945903588
GA	2252	0.029412148837
GC	681	0.00889417111811
GG	1139	0.0148758603576
GT	2107	0.027518382593
TA	14587	0.190512884141
TC	1580	0.0206355218306
TG	2043	0.0266825133543
TT	12551	0.163921793984