[tex-hyphen] Hyphenation patterns for Belarusian

[Arthur Reutenauer]

> They apper as "onomatopoeias", and "interjections" of the kind that should
> never appear in a typeset book, except, may be, in books for children. Any
> language uses such "sounds" with different spellings and alphabets, but as
> far as I can see, no language pattern file contains any pattern to deal with
> them.

  We can very well include patterns to deal with onomatopoeia in any
language, the problem is that they should be input as hyphenation
exceptions, not as .д8з8з8з8з8з8 and I also doubt there would be 1842 of
them.

	Best,

		Arthur