#dinucleotide	frequency
AA	15425	0.0935120519909
AC	7096	0.0430185751006
AG	9712	0.0588777341287
AT	16849	0.102144866385
CA	9627	0.0583624327077
CC	8268	0.050123672341
CG	5330	0.0323124302827
CT	10167	0.0616361123236
GA	11718	0.0710388476648
GC	5574	0.0337916484796
GG	7549	0.0457648285562
GT	7241	0.0438976187012
TA	12312	0.0746398952423
TC	12455	0.0755068141035
TG	9491	0.0575379504341
TT	16138	0.0978345215578