#dinucleotide	frequency
AA	2497	0.15652228421
AC	1471	0.0922083620636
AG	849	0.053218830314
AT	1102	0.0690779163794
CA	1503	0.0942142543722
CC	1416	0.0887607346581
CG	318	0.0199335548173
CT	1077	0.0675108130132
GA	639	0.0400551620385
GC	562	0.0352284836708
GG	369	0.0231304456842
GT	460	0.0288347019369
TA	1280	0.0802356923463
TC	865	0.0542217764684
TG	494	0.0309659625149
TT	1051	0.0658810255124