Lesson 25 - Vowels ( ໂ, ໂະ, ົ ) 2018-05-12 · 30 words · 1 minute read language Lesson 25 - Vowels ( ໂ, ໂະ, ົ ) Below: Use the audio and pdf together. Your browser does not support the audio element. This browser does not support PDFs. Please download the PDF to view it: Download PDF. Older Lesson 24 - Vowels ( ເ ົ າ, າວ ) Newer Lesson 26 - Vowels ( ເ ີ , ເ ິ )