{HEAD ~ The oligonucleotides} of the invention may consist of {TAIL ~ particular sequences} or, in other aspects of the invention, there may be additional sequences in the oligonucleotides 
consist of
{ HEAD ~ The oligonucleotides } of the invention may consist of { TAIL ~ particular sequences } or , in other aspects of the invention , there may be additional sequences in the oligonucleotides
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH