Lesson 29 - Vowels (ົວ, ວ, ົວະ) 2018-05-12 · 30 words · 1 minute read language Lesson 29 - Vowels (ົວ, ວ, ົວະ) 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 28 - Vowels (າຍ, ຳ) Newer Lesson 30 - Vowels (ເ ື ອ, ເ ຶອ, ເ ື ອຍ)