Baybayin is a Pre Spanish Filipino Script.
Here are names that starts with the letter A written in the Modern baybayin.
What makes it a modern baybayin.
Modern baybayin uses the vowel cancellation mark to take out the vowel.
Each character inherently comes with the vowel "A" other than the vowel themselves.
Here are the 17 characters written in the western alphabet.
A, BA, KA, DA/RA, E/I, GA, HA, LA, MA, NA NGA, O/U, PA, SA TA, WA, YA
Baybayin is syllabic so the characters represents a syllable.
It is written as its pronounced.
The SHA is written as SI YA