#dinucleotide	frequency
AA	1663	0.100192794313
AC	1406	0.0847090010845
AG	920	0.0554283648632
AT	1225	0.0738040727799
CA	1430	0.0861549584287
CC	1512	0.0910953126883
CG	467	0.0281359199904
CT	1278	0.0769972285818
GA	790	0.0475960959152
GC	753	0.0453669116761
GG	576	0.0347029762622
GT	505	0.0304253524521
TA	1332	0.0802506326063
TC	1016	0.0612121942403
TG	660	0.0397638269671
TT	1065	0.0641643571515