#dinucleotide	frequency
AA	2552	0.160938386832
AC	893	0.0563158226651
AG	747	0.0471085325093
AT	1930	0.121712808223
CA	916	0.0577662861828
CC	613	0.038658005928
CG	217	0.0136848079712
CT	960	0.0605410859557
GA	703	0.0443337327363
GC	342	0.0215677618717
GG	300	0.0189190893612
GT	423	0.0266759159992
TA	1950	0.122974080848
TC	858	0.0541085955729
TG	505	0.031847133758
TT	1948	0.122847953585