#dinucleotide	frequency
AA	2627	0.162260654725
AC	1036	0.0639901173564
AG	525	0.032427424336
AT	2288	0.141321803582
CA	937	0.0578752316245
CC	599	0.0369981470043
CG	135	0.00833848054355
CT	982	0.060654725139
GA	477	0.0294626312539
GC	250	0.0154416306362
GG	213	0.013156269302
GT	355	0.0219271155034
TA	2434	0.150339715874
TC	768	0.0474366893144
TG	422	0.0260654725139
TT	2142	0.132303891291