#dinucleotide	frequency
AA	1958	0.120366385935
AC	1371	0.0842810598143
AG	796	0.0489334234954
AT	1455	0.0894448884244
CA	1423	0.0874777156206
CC	1171	0.0719862297904
CG	375	0.023052806295
CT	1124	0.0690969447347
GA	718	0.0441384397861
GC	644	0.0395893526772
GG	472	0.0290157988566
GT	423	0.0260035655007
TA	1482	0.0911046904777
TC	907	0.0557570541587
TG	613	0.0376836540235
TT	1335	0.08206799041