#dinucleotide	frequency
AA	1517	0.0880645535818
AC	1317	0.0764541971439
AG	935	0.0542784163474
AT	1166	0.0676883780332
CA	1281	0.074364332985
CC	1677	0.0973528387321
CG	529	0.0307093927784
CT	1461	0.0848136537792
GA	810	0.0470219435737
GC	833	0.048357134564
GG	614	0.0356437942645
GT	552	0.0320445837687
TA	1327	0.0770347149657
TC	1121	0.0650760478347
TG	730	0.0423778009985
TT	1356	0.0787182166493