#dinucleotide	frequency
AA	622	0.0455944876118
AC	346	0.025362850022
AG	592	0.0433953965694
AT	1215	0.089063187216
CA	298	0.0218443043542
CC	272	0.0199384254508
CG	209	0.0153203342618
CT	715	0.0524116698431
GA	491	0.0359917900601
GC	323	0.0236768802228
GG	935	0.0685383374872
GT	1338	0.0980794604897
TA	1364	0.0999853393931
TC	553	0.0405365782143
TG	1351	0.0990323999414
TT	3018	0.221228558862