#dinucleotide	frequency
AA	1778	0.120322122217
AC	223	0.0150910198281
AG	725	0.049062732625
AT	1967	0.133112269067
CA	208	0.0140759288083
CC	104	0.00703796440414
CG	66	0.00446640048724
CT	421	0.0284902212898
GA	508	0.0343777492048
GC	123	0.00832374636259
GG	296	0.0200311294579
GT	718	0.0485890234824
TA	2199	0.148812343507
TC	349	0.0236177843947
TG	558	0.0377613859376
TT	4534	0.306828178927