#dinucleotide	frequency
AA	3122	0.155524559131
AC	1408	0.0701404802232
AG	850	0.0423433296802
AT	2602	0.129620404503
CA	1242	0.061871077015
CC	891	0.0443857726412
CG	176	0.0087675600279
CT	1230	0.0612732888313
GA	744	0.0370628673907
GC	342	0.017036963236
GG	340	0.0169373318721
GT	439	0.0218690843878
TA	2873	0.143120454319
TC	898	0.0447344824151
TG	499	0.0248580253064
TT	2416	0.120354687656
TY	1	4.98156819767e-05
YT	1	4.98156819767e-05