You are absolutely correct. I apologize for the mistake in my explanation. For the "ka" sound, you should indeed start with the initial consonant "ㄱ" which represents the "k" sound. Then, you add the vowel "ㅏ" (which represents the "a" sound). Since there is no final consonant in the "ka" sound, you can leave it out.

The resulting Hangul syllable would be: "ㄱ + ㅏ = 가" (pronounced "ka").

Thank you for pointing that out, and I apologize for any confusion caused.
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