ANY is a 3 letter word that starts with A.

1. \A"ny\, a. & pron. [OE. [ae]ni[yogh], [ae]ni, eni, ani, oni,
   AS. [=ae]nig, fr. [=a]n one. It is akin to OS. [=e]nig, OHG.
   einic, G. einig, D. eenig. See {One}.]
   1. One indifferently, out of an indefinite number; one
      indefinitely, whosoever or whatsoever it may be.
   Note: Any is often used in denying or asserting without
         limitation; as, this thing ought not be done at any
         time; I ask any one to answer my question.
               No man knoweth the Son, but the Father; neither
               knoweth any man the Father, save the Son. --Matt.
                                                  xi. 27.
   2. Some, of whatever kind, quantity, or number; as, are there
      any witnesses present? are there any other houses like it?
      ``Who will show us any good?'' --Ps. iv. 6.
   Note: It is often used, either in the singular or the plural,
         as a pronoun, the person or thing being understood;
         anybody; anyone; (pl.) any persons.
               If any of you lack wisdom, let him ask of God, .
               . . and it shall be given him.     --Jas. i. 5.
               That if he found any of this way, whether they
               were men or women, he might bring them bound unto
               Jerusalem.                         --Acts ix. 2.
   {At any rate}, {In any case}, whatever may be the state of
      affairs; anyhow.
   

2. \A"ny\, adv.
   To any extent; in any degree; at all.
         You are not to go loose any longer.      --Shak.
         Before you go any farther.               --Steele.