| Sound / Mark | Target Words | Acoustic Characteristics & Dialectal Context |
|---|---|---|
| Short A (ă) | bat, ran, gas, tag | IPA [æ]. Front low unrounded vowel. The tongue lies flat and forward in the mouth with the jaw moderately open. Stable across all American dialects. |
| Intermediate A (ȧ) | pass, class, grass, glass, task, mask, last, past, lance, dance, chance, chaff | Historical 19th-century "ask sound" (Webster/Worcester/Wheeler). Positioned acoustically midway between [æ] and [ɑː] (often transcribed [a]). In modern General American it largely merged with [æ], while in RP British it lengthened to [ɑː]. |
| Italian A (ä) | far, star, calm, balm | IPA [ɑː]. Back low unrounded vowel. Produced by opening the throat with dropped jaw. In calm and balm, the letter l is silent, preserving pure open [ɑː]. |