#dinucleotide	frequency
AA	2539	0.166655726945
AC	557	0.036560551362
AG	483	0.0317033147358
AT	2477	0.162586150312
CA	677	0.0444371512964
CC	393	0.025795864785
CG	86	0.00564489661963
CT	649	0.0425992779783
GA	520	0.0341319330489
GC	183	0.0120118148999
GG	202	0.0132589432228
GT	270	0.0177223498523
TA	2321	0.152346570397
TC	672	0.0441089596324
TG	404	0.0265178864457
TT	2802	0.183918608467