#dinucleotide	frequency
AA	2420	0.184535610798
AC	283	0.0215799908495
AG	405	0.030883025774
AT	2173	0.165700777795
CA	308	0.0234863504652
CC	111	0.00846423669361
CG	54	0.00411773676986
CT	467	0.0356107976209
GA	389	0.0296629556199
GC	94	0.00716791215495
GG	166	0.0126582278481
GT	300	0.0228763153881
TA	2164	0.165014488333
TC	452	0.0344669818515
TG	324	0.0247064206192
TT	3004	0.22906817142