Sylheti Nagari

Sylheti Nagari (or Siloti Nagri ; Bengali : সিলেটি নাগরি , Sileṭi nāgari ) is an Abugida based on Bengali script , which was previously used primarily for Sylheti , which is similar to Bengali . It originated in the 14th century, but has recently been superseded by the Bengali script. It contains 27 consonants and 5 vowels.