#dinucleotide	frequency
AA	1894	0.137166859791
AC	856	0.0619930475087
AG	703	0.0509125144844
AT	1327	0.0961037079954
AY	1	7.24217844728e-05
CA	785	0.0568511008111
CC	863	0.0625
CG	219	0.0158603707995
CT	1009	0.073073580533
GA	572	0.0414252607184
GC	413	0.0299101969873
GG	399	0.0288962920046
GT	462	0.0334588644264
TA	1530	0.110805330243
TC	742	0.0537369640788
TG	525	0.0380214368482
TT	1505	0.108994785632
TY	1	7.24217844728e-05
YC	2	0.000144843568946