HenryInstead of italics, does this method work?
His 'a's look like '8's.I find it rather confusing. "His a's look like 8's" is more easily understood without the quotation marks around the a and 8.
She had too many 'whereas'es, 'thus's, 'wheretofore's and 'maybe's in her essay.
I'm told this is technically correct - just confirming. I don't think so. Omit the apostrophes and add es to thus.