The word "vosta" is not a commonly used word in English, but it can be spelled phonetically as /voʊstə/. The first sound is a long "o" sound, followed by a "v" sound. The third sound is a short "o" sound, and the fourth sound is a "s" sound. The final sound in the transcription is a "tuh" sound. It is important to note that this spelling and pronunciation may differ depending on the language or dialect in which the word is used.