Edifices

• edifice: building

• idée fixe: (French) a recurrent idea or obsessive notion

• orifice: an opening, especially one in the human body

• Oedipus: King of Thebes in Greek mythology who married his own mother → HCE's relationship with Issy
  • Third Census of Finnegans Wake

• Edi-feces: from feces for excrement and edi from Latin for eat. Thus hod, (s)ement, edi-feces, are presumably the forbiden bodily functions of uirine, semen and feces?