#dinucleotide	frequency
AA	1886	0.112812537385
AC	1464	0.0875702835267
AG	877	0.0524584280416
AT	1558	0.0931929656657
CA	1541	0.0921760976193
CC	1198	0.0716592893887
CG	378	0.0226103600909
CT	1223	0.0731546835746
GA	694	0.0415121426008
GC	627	0.0375044861826
GG	403	0.0241057542768
GT	498	0.0297882521833
TA	1665	0.0995932527814
TC	1050	0.0628065558081
TG	564	0.0337360928341
TT	1092	0.0653188180404