#dinucleotide	frequency
AA	8513	0.153867008875
AC	2503	0.0452401178448
AG	2712	0.0490176586477
AT	7326	0.132412746037
CA	2590	0.0468125869828
CC	1191	0.0215265602689
CG	837	0.0151282375694
CT	2634	0.0476078587308
GA	2321	0.0419505847055
GC	1270	0.0229544345437
GG	1020	0.0184358450666
GT	2425	0.043830317928
TA	7630	0.137907350841
TC	2288	0.0413541308945
TG	2467	0.0445894409601
TT	7600	0.137365120104