The spelling of the word "motter" is not a commonly used term in English. However, it is believed to be a variant of the word "mutter" which means to speak in a low voice or to grumble. The IPA phonetic transcription for "motter" would be /ˈmʌtər/, which represents the sounds of the word. This includes the consonant sounds of /m/, /t/, and /r/ as well as the vowel sound of /ʌ/. It's important to note that the spelling of a word may not always be reflective of its proper pronunciation or meaning.