The spelling of the word Brammell can be explained using the International Phonetic Alphabet (IPA) transcription. The initial sound in Brammell is represented by the voiced bilabial consonant /b/. It is followed by the vowel sound /æ/ as in "cat". The third sound in Brammell is the voiced bilabial nasal /m/. Finally, the word ends with the unstressed vowel sound /ə/ as in "sofa". Therefore, the correct spelling of the word is Brammell, with two "m"s and two "l"s.