If a portion of a word is distinguished because the word is under study, it is suggested that no contractions be used in any part of the word, as recommended in Braille Formats, Rule 1, Section 5.a(1). If, however, a portion of a word is emphasized for dramatic effect, contractions can be used following the rules for syllabicated words as explained in §12.8a(1) and EBAE II.13.d. Examples:
The accent is on the antepenult in the word "paradoxical."
Well, that's the most paradoxical argument I have ever heard!