The spelling of the word "lasha" follows the rules of the English language, with each letter representing a specific sound. The word is spelled /ˈlæʃə/ in IPA phonetic transcription. The first letter "L" represents the sound /l/, the second letter "A" represents the sound /æ/, the third letter "S" represents the sound /ʃ/, and the final letter "H" represents the sound /ə/. By breaking down the word into its individual sounds, we can accurately spell it and pronounce it correctly.