#dinucleotide	frequency
AA	1765	0.106904906118
AC	1380	0.0835857056329
AG	884	0.0535433070866
AT	1244	0.0753482737735
CA	1439	0.0871592973955
CC	1596	0.0966686856451
CG	443	0.0268322228952
CT	1267	0.0767413688674
GA	739	0.04476075106
GC	735	0.0445184736523
GG	516	0.0312537855845
GT	450	0.0272562083586
NA	1	6.05693519079e-05
TA	1330	0.0805572380376
TC	1034	0.0626287098728
TG	596	0.0360993337371
TN	1	6.05693519079e-05
TT	1090	0.0660205935796