#dinucleotide	frequency
AA	1420	0.0855627862135
AC	1201	0.072366835382
AG	906	0.0545914678236
AT	1194	0.0719450469993
CA	1221	0.073571945047
CC	1519	0.0915280790552
CG	593	0.0357315015666
CT	1248	0.0751988430947
GA	769	0.0463364666185
GC	872	0.0525427813931
GG	742	0.0447095685707
GT	610	0.0367558447819
TA	1311	0.0789949385394
TC	990	0.0596529284165
TG	751	0.04525186792
TT	1249	0.075259098578