#dinucleotide	frequency
AA	1802	0.108606557377
AC	1390	0.0837753134041
AG	837	0.0504459980714
AT	1451	0.0874517839923
CA	1416	0.0853423336548
CC	1344	0.0810028929605
CG	373	0.0224807135969
CT	1353	0.0815453230473
GA	689	0.0415260366442
GC	627	0.0377892960463
GG	441	0.0265790742527
GT	465	0.0280255544841
TA	1574	0.0948649951784
TC	1125	0.0678037608486
TG	570	0.0343539054966
TT	1135	0.068406460945