Yes, it begins phrases that indicate a source, or starting point.
You should use a before a word starting with a consanant (not a,e,i,o,u), and use an before a word starting with a vowel(a,e,i,o,u).
Here are a few three-word phrases that start with "all": "All is well," "All hands on," and "All for one." These phrases can convey various sentiments, from reassurance to unity.
Words that connect words or phrases are called conjunctions.
Many short phrases start with the word will. Some examples are "Will you please help me," "Will you come look at this," and "Will you be home soon?".
Peace on Earth.
1 3 4 others are wrong
Who are you? Who lives there? Who did that? Who called you?
GET ME HELP i love you JOE (L)
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There is no one-or-two word anagram, and no apt phrases. There are a number of nonsense phrases such as "enjoy magma dish."
Words used to connect words and phrases are conjunctions.