#dinucleotide	frequency
AA	1889	0.0873566407695
AC	388	0.0179430262671
AG	1298	0.0600258971513
AT	2032	0.093969663337
AW	1	4.62449130596e-05
CA	378	0.0174805771365
CC	239	0.0110525342212
CG	243	0.0112375138735
CT	897	0.0414816870144
GA	1016	0.0469848316685
GC	436	0.020162782094
GG	1276	0.059008509064
GT	1897	0.087726600074
TA	2323	0.107426933037
TC	694	0.0320939696633
TG	1808	0.0836108028117
TT	4808	0.22234554199
WA	1	4.62449130596e-05