#dinucleotide	frequency
AA	2401	0.157277610376
AC	1031	0.0675357002489
AG	767	0.0502423686624
AT	1816	0.118957159701
CA	1254	0.082143325036
CC	756	0.0495218131796
CG	206	0.013494039041
CT	753	0.0493252980479
GA	672	0.044019389493
GC	343	0.0224682300537
GG	371	0.0243023712826
GT	439	0.028756714267
TA	1688	0.110572514084
TC	839	0.0549587318224
TG	481	0.0315079261103
TT	1449	0.0949168085943