the sounds get "joined". the extensions to the vowels are added to consonants to create a compound. for example: letter "Ka" క becomes "Kaa" కా by adding "Ka"

the sounds get "joined". the extensions to the vowels are added to consonants to create a compound. for example: letter "Ka" క becomes "Kaa" కా by adding "Ka" and "A" like A in apple. అ becomes the line and circle that gets added to the consonant. Consonants are not mixed with each other, cannot be. this seems like it could help for those interested in more info https://www.omniglot.com/writing/telugu.htm https://www.omniglot.com/writing/telugu.htm