!!

Symbol

 * 1)  A double factorial.
 * 2)  A common ad hoc letter for a retroflex click, IPA 𝼊. The character U+203C is recommended for this use by Unicode and is supported by SIL fonts (e.g. proper placement of IPA diacritics).
 * 3)  A ventricular phonation.
 * 1)  A double factorial.
 * 2)  A common ad hoc letter for a retroflex click, IPA 𝼊. The character U+203C is recommended for this use by Unicode and is supported by SIL fonts (e.g. proper placement of IPA diacritics).
 * 3)  A ventricular phonation.