#dinucleotide	frequency
AA	1906	0.111033438192
AC	1644	0.0957707095421
AG	782	0.045555167191
AT	1501	0.0874402889433
CA	1610	0.093790050099
CC	1474	0.0858674123267
CG	395	0.0230106023535
CT	1293	0.0753233135267
GA	648	0.0377490387976
GC	624	0.0363509262496
GG	480	0.0279622509612
GT	446	0.0259815915181
TA	1669	0.0972270767797
TC	1030	0.0600023301876
TG	540	0.0314575323314
TT	1124	0.0654782710008