#dinucleotide	frequency
AA	1988	0.125283589614
AC	1049	0.0661078900933
AG	671	0.0422863624905
AT	1569	0.0988782455256
CA	1072	0.067557348122
CC	1045	0.0658558104361
CG	271	0.0170783967734
CT	1323	0.0833753466095
GA	610	0.0384421477187
GC	398	0.0250819258886
GG	342	0.0215528106882
GT	426	0.0268464834888
TA	1607	0.101273002269
TC	1219	0.0768212755231
TG	492	0.0310057978321
TT	1786	0.112553566927