#dinucleotide	frequency
AA	2595	0.122221175584
AC	1579	0.0743688771665
AG	991	0.0466748304446
AT	1687	0.0794555388093
CA	1425	0.0671156744537
CC	1981	0.0933025621703
CG	488	0.0229841748304
CT	1701	0.0801149208742
GA	900	0.0423888470234
GC	741	0.0349001507159
GG	548	0.0258100979653
GT	578	0.0272230595328
TA	1932	0.0909947249435
TC	1294	0.0609457422758
TG	739	0.0348059532781
TT	2053	0.0966936699322