Text: THE LESSER PERFECT SYTEM The Synemmenon Tetrachord or Conjunct Fourth d - NETE c - PARANETE b flat - TRITE The Meson Tetrachord or Middle Fourth a - MESE G - LICHANOS F - PARHYPATE E - HYPATE The Hypaton Tetrachord or Lowest Fourth D - LICHANOS or Diatonos C - PARHYPATE B - HYPATE The acquired not not included in any Tetrachord A - PROSLAMBANOMENUS

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