#dinucleotide	frequency
AA	1822	0.111036626242
AC	1203	0.0733134255591
AG	840	0.051191419343
AT	1669	0.101712474861
CA	1243	0.0757511121945
CC	1007	0.0613687610458
CG	311	0.0189530135901
CT	1245	0.0758729965263
GA	691	0.0421110366262
GC	569	0.0346760923883
GG	402	0.0244987506856
GT	478	0.0291303552928
TA	1779	0.108416113109
TC	1027	0.0625876043635
TG	586	0.0357121092084
TT	1537	0.0936681089646