#dinucleotide	frequency
AA	1500	0.0905906510448
AC	1333	0.0805048918952
AG	809	0.0488585577968
AT	1023	0.0617828240126
CA	1362	0.0822563111487
CC	1827	0.110339412973
CG	532	0.0321294842372
CT	1421	0.0858195434231
GA	715	0.0431815436647
GC	829	0.0500664331441
GG	637	0.0384708298104
GT	497	0.0300157023795
TA	1089	0.0657688126585
TC	1153	0.0696340137698
TG	699	0.0422152433869
TT	1132	0.0683657446552