#dinucleotide	frequency
AA	1000	0.0747049155834
AC	338	0.0252502614672
AG	733	0.0547587031227
AT	1639	0.122441356641
CA	367	0.0274167040191
CC	166	0.0124010159869
CG	145	0.0108322127596
CT	502	0.0375018676229
GA	555	0.0414612281488
GC	222	0.0165844912595
GG	524	0.0391453757657
GT	1112	0.0830718661288
TA	1787	0.133497684148
TC	454	0.0339160316749
TG	1011	0.0755266696549
TT	2831	0.211489616017