#dinucleotide	frequency
AA	1699	0.0979758952771
AC	1389	0.0800991868981
AG	773	0.044576437345
AT	1503	0.0866732022375
AY	1	5.76668012225e-05
CA	1320	0.0761201776137
CC	1622	0.093535551583
CG	354	0.0204140476328
CT	1589	0.0916325471426
CW	1	5.76668012225e-05
GA	643	0.0370797531861
GC	537	0.0309670722565
GG	449	0.0258923937489
GR	1	5.76668012225e-05
GT	508	0.029294735021
RT	1	5.76668012225e-05
TA	1704	0.0982642292832
TC	1337	0.0771005132345
TG	560	0.0322934086846
TT	1348	0.077734848048
WG	1	5.76668012225e-05
YC	1	5.76668012225e-05