#dinucleotide	frequency
AA	1750	0.100085787818
AC	1650	0.0943665999428
AG	860	0.0491850157278
AT	1171	0.06697169002
CA	1696	0.0969974263655
CC	1966	0.112439233629
CG	455	0.0260223048327
CT	1553	0.0888189877037
GA	685	0.039176436946
GC	781	0.0446668573063
GG	514	0.0293966256792
GT	425	0.0243065484701
TA	1300	0.0743494423792
TC	1273	0.0728052616528
TG	575	0.0328853302831
TT	829	0.0474120674864
TY	1	5.71918787532e-05
YT	1	5.71918787532e-05