#dinucleotide	frequency
AA	2617	0.169198939678
AC	521	0.033684618866
AG	460	0.0297407383462
AT	2447	0.158207797246
CA	563	0.0364000775845
CC	405	0.0261847805004
CG	98	0.00633607034331
CT	748	0.048361026702
GA	532	0.0343958104351
GC	176	0.0113790651064
GG	213	0.0137712549299
GT	275	0.0177797892287
TA	2334	0.150901920217
TC	712	0.0460334906575
TG	425	0.0274778560807
TT	2941	0.190146764078