#dinucleotide	frequency
AA	2345	0.15174064967
AC	816	0.0528018635952
AG	651	0.042125016177
AT	2057	0.133104697813
CA	823	0.0532548207584
CC	734	0.0474957939692
CG	143	0.00925326776239
CT	1026	0.066390578491
GA	517	0.0334541219102
GC	306	0.0198006988482
GG	249	0.0161123333765
GT	425	0.0275009706225
TA	2184	0.141322634917
TC	870	0.0562961045684
TG	454	0.0293775074414
TT	1854	0.11996894008