#dinucleotide	frequency
AA	1691	0.101445797588
AC	1433	0.085967964485
AG	824	0.0494330793689
AT	1445	0.0866878636991
CA	1582	0.0949067130602
CC	1476	0.0885476033355
CG	412	0.0247165396844
CT	1349	0.0809286699862
GA	680	0.0407942887996
GC	649	0.0389345491631
GG	429	0.0257363969044
GT	440	0.0263963045174
TA	1441	0.0864478972944
TC	1261	0.0756494090827
TG	532	0.0319155318255
TT	1025	0.0614913912052