Bengali

The Bengali script can be divided into vowels and vowel diacritics, consonants and Conjunct consonants, diacritical and other symbols, digits and punctuation marks. Vowels and consonants are used as letters and also as diacritical marks. `

The Bengali script has a total of 11 vowel graphemes, each of which is called a ???????? swôrôbôrnô "vowel letter". The swôrôbôrnôs represent six of the seven main vowel sounds of Bengali, along with two vowel diphthongs.`