For syllables that ended in vowels, he used accent marks to indicate length.
Evidently the rules of their language change for their poetry, and syllables can be stretched or shortened to make them fit a measure.
The signs may have stood both for words and for syllables.
It may have changed to an ī sound for final syllables.
The basis of the code cracked by Bazeries was a set of 587 numbers that stood for syllables.
The pronunciation as àà is the default case for closed syllables.
For syllables with multiple vowels, usually only the stressed vowel is used.
The rules for distinguishing light and heavy syllables is slightly different from Sanskrit.
Bridges also has a shorter version of the 'Light' symbol for 'very short' syllables.
Finally, cuneiform writing became a general purpose writing system for logograms, syllables, and numbers.