We can deduce from the transcription in Chinese,English and Korean documents that Manchu vowel characters o is pronounced as o in phonemic consideration with two variants o and AU,while ū is read as ■,with three variants ■,AU and ū.
长期以来对满文第四号(o)、第六号(ū)元音字母的读音判断存在分歧。
Y is sometimes a vowel, as in bicycle.
Y有时是元音字母,如在单字bicycle中。
According to the rules of reading, how should the vowel in this word be pronounced?
根据读音规则，这个词中的元音字母应该怎样发音?
The diacritic mark(? placed over a vowel to indicate an umlaut, especially in German.
变元音符号尤指德语中加上元音字母上面的变音符（?以表示读音变化
a letter of the alphabet standing for a spoken vowel.
字母表里代表元音发音的字母。
The sound quality of a letter or diphthong.
音值一个字母或复合元音的音值
Designating a consonant or consonantal sound directly following a vowel.
元音后的标明紧跟在元音后的辅音字母或辅音元素的
The Final and Tone Traits of Chenzhou(郴州)Dialects in the Last Years of Ming(明)Dynasty in Zixue Yuanyuan(字学元元);
从《字学元元》俗音看明末郴州方音韵母声调特点
The Consonantal Traits of Chenzhou(郴州) in the Last Years of the Ming Dynasty (明) From Dialectal Sound on Zixue Yuanyuan (字学元元);
从《字学元元》俗音看明末郴州方音声母特点
Of, relating to, or being a syllable ending in a long vowel or in a vowel plus two consonants.
重音节的是或有关一个长元音或一个元音加两个辅音字母结尾的
Here's an example that creates letters randomly and determines whether they're vowels or consonants:
下面这个例子可随机生成字母，并判断它们是元音还是辅音字母：
Transliteration Unit Alignment Method Based on the First Syllable Letter Mapping
基于音节首字母匹配的音译单元对齐方法
phonetic symbols, alphabet, transcription
音标、 语音字母、 标音.
(of a letter) written but not pronounced
（指字母）不发音的
pronounce(a letter)with a trill
用颤音发（某字母）的音
Any of the speech sounds represented by the letter i.
字母I的读音由字母i所表示的读音
Any of the speech sounds represented by the letter j.
字母j的读音用字母j所表示的读音
a letter of the alphabet standing for a spoken consonant.
字母表代表辅音发音的字母。
The first character of the string must be an alphabetic character.
字串的第一個字元必須是字母字元。