Voir la source de Arpitan/Grammaire/Alphabet

=== Tonalité des voyelles  ===

{| rules=all align=center style="clear: right; margin: 0 0 1em 1em; border: 1px solid #999; border-right-width: 2px; border-bottom-width: 2px; background-color: #f3fff3; text-align:center;"
|-
! rowspan=2 | {{arp/lyo}} || colspan=2 | Tone || rowspan=2 | Atone || colspan=2 | Accentuée
|-
! σ ouverte || σ fermée || σ ouverte || σ fermée
|-
| '''a''' || colspan=2 | a || a || colspan=2 | ɔ̄
|-
| '''e''' || e || ɛ || ə || ē || ɛ̄
|-
| '''o''' || o || ɔ || o || colspan=2 | ō
|-
| '''i''' || colspan=2 | i || i || colspan=2 | ī
|-
| '''u''' || colspan=2 | y || y || colspan=2 | ȳ
|}

{| rules=all align=center style="clear: right; margin: 0 0 1em 1em; border: 1px solid #999; border-right-width: 2px; border-bottom-width: 2px; background-color: #f3fff3; text-align:center;"
|-
| {{arp/sav}}
| Tone || Atone || Accentuée
|-
| '''a''' || a || a || ā
|-
| '''e''' || e || ə || ē
|-
| '''o''' || o || o || ū
|-
| '''i''' || ø || ə || ī
|-
| '''u''' || ø || ə || ȳ
|}