Formal:
* ཨ་མ་ (a ma): This is the most common and formal term for "mother" in Tibetan.
Informal:
* ཨ་མ (a ma): This is a shorter version of "a ma" and is often used in informal settings.
* མ་ (ma): This is even shorter and can be used for "mother" or "mom" in very familiar situations.
* ཨ་ལ (a la): This is a more affectionate and familiar term for "mom" that is often used by children.
Note: Tibetan is a tonal language, so the pronunciation of these words is important. You can find audio recordings of Tibetan words online to help with pronunciation.