#dinucleotide	frequency
AA	1999	0.113136000906
AC	1595	0.0902710962703
AG	837	0.0473711019299
AT	1597	0.0903842888675
CA	1576	0.0891957665969
CC	1351	0.0764615994114
CG	318	0.0179976229555
CT	1401	0.0792914143415
GA	718	0.0406361423963
GC	612	0.0346369347445
GG	445	0.0251853528779
GT	442	0.0250155639821
TA	1735	0.0981945780746
TC	1089	0.0616333691777
TG	616	0.0348633199389
TT	1338	0.0757258475296