#dinucleotide	frequency
AA	2937	0.0922888386124
AC	1337	0.0420123177476
AG	3073	0.0965623428859
AT	3919	0.123146053293
CA	1450	0.0455630970337
CC	542	0.0170311714429
CG	656	0.0206133735546
CT	1414	0.0444318753142
GA	2404	0.0755404725993
GC	829	0.0260495223731
GG	1615	0.0507478632479
GT	2087	0.065579436903
TA	4474	0.140585721468
TC	1354	0.0425465057818
TG	1591	0.0499937154349
TT	2142	0.0673076923077