5. Contractions child, shall, this, which, out, still
- As whole-word contractions
- May be joined to words or contracted words to form hyphenated compound words whether written one line or divided between lines.
- May never be joined to letters or contractions to form parts of words
- May be followed by the apostrophe only in these cases:
- As part-word contractions ch, sh, th, wh, ou, and st
- Are subject to the general rules for use of contractions.
- Are used wherever they occur within a word.
- The sh contraction is not used in sh shown standing alone as an admonition to silence.
- The st contraction is used in St. as the abbreviation for Street or Saint.
- The st and th contractions are used for the ordinals 1st, 4th, etc.