#dinucleotide	frequency
AA	89287	0.0204996301264
AC	202252	0.0464355526821
AG	213714	0.0490671425049
AT	135947	0.0312124185693
CA	244937	0.0562357107336
CC	492482	0.113070198841
CG	580105	0.133187786962
CT	218321	0.0501248753886
GA	266527	0.0611926139158
GC	573471	0.131664669977
GG	492343	0.113038285476
GT	200785	0.0460987404093
TA	40450	0.00928701869939
TC	267640	0.0614481504254
TG	246963	0.0567008652425
TT	90318	0.0207363400468