U+31B2 "ㆲ" Bopomofo Letter Ong Unicode Character

U+31B2 "ㆲ" Bopomofo Letter Ong is a phonetic symbol used in the Bopomofo system transcribing the Mandarin Chinese syllable "ong," primarily employed in some extended or dialectal phonetic representations. It corresponds to a vowel sound that occurs in Mandarin syllables such as "dong" or "song," though its usage is less common than standard Bopomofo letters and it is not part of the core set taught in mainstream Chinese language education. This character is encoded in the Bopomofo Extended block of Unicode, ensuring its availability for digital text, linguistic research, and specialized educational materials.