U+16F68 "𖽨" Miao Vowel Sign Iu Unicode Character

U+16F68 "𖽨" Miao Vowel Sign Iu is a combining diacritical mark used in the Miao script, specifically within the Pollard Miao orthography, to represent a vowel sound similar to "iu." This character is part of the Miao block of Unicode, which encodes the writing system developed by missionary Samuel Pollard for transcribing the Miao (Hmong) languages of southern China and Southeast Asia. It appears as a small superscript sign that attaches to a base consonant letter, modifying its pronunciation by indicating the presence of the "iu" vowel. The inclusion of U+16F68 in Unicode helps preserve and digitally support the Miao script, enabling its use in modern text processing and communication.