#dinucleotide	frequency
AA	2326	0.143891122796
AC	982	0.0607485307764
AG	640	0.0395917104856
AT	2019	0.124899474173
CA	1156	0.0715125270646
CC	690	0.0426848128673
CG	237	0.0146613052892
CT	994	0.061490875348
GA	595	0.0368079183421
GC	393	0.0243117847201
GG	338	0.0209093721002
GT	419	0.0259201979586
TA	1890	0.116919270028
TC	1012	0.0626043922054
TG	530	0.0327868852459
TT	1944	0.1202598206