#dinucleotide	frequency
AA	2210	0.116340282165
AC	1805	0.0950200042114
AG	918	0.0483259633607
AT	1304	0.0686460307433
CA	1843	0.0970204253527
CC	1880	0.0989682038324
CG	540	0.028427037271
CT	1391	0.0732259423036
GA	777	0.0409033480733
GC	891	0.0469046114972
GG	523	0.0275321120236
GT	474	0.0249526216045
TA	1407	0.0740682248895
TC	1078	0.0567487892188
TG	683	0.0359549378817
TT	1272	0.0669614655717