#dinucleotide	frequency
AA	2772	0.1890085913
AC	980	0.0668212191463
AG	622	0.0424110186827
AT	1864	0.127096686213
CA	1120	0.0763671075958
CC	749	0.0510705032047
CG	160	0.0109095867994
CT	739	0.0503886540297
GA	537	0.0366153006955
GC	282	0.0192281467339
GG	202	0.0137733533342
GT	287	0.0195690713214
TA	1808	0.123278330833
TC	757	0.0516159825447
TG	324	0.0220919132688
TT	1463	0.099754534297