Solly

• so sorry → L/R split

• solly: strange, marvellous, wonderful??

• solely

• Pont Sully: a bridge in Paris
  • A Finnegans Wake Gazetteer

• Sally: Sally was Christine Beauchamp's repressed personality (see sallybright in line 17 of this page) → Sally is also a diminutive form of Sarah (see sair in the previous line and I saack in this line)