#dinucleotide	frequency
AA	3499	0.211983521144
AC	812	0.0491942324003
AG	684	0.041439476554
AT	2550	0.154489276627
CA	912	0.0552526354053
CC	365	0.0221131709681
CG	128	0.00775475584636
CT	549	0.0332606324973
GA	720	0.0436205016358
GC	187	0.0113292136193
GG	350	0.0212044105174
GT	347	0.0210226584272
TA	2414	0.14624984854
TC	590	0.0357445777293
TG	442	0.026778141282
TT	1957	0.118562946807