The spelling of the word "bartling" follows conventional English phonetics. The initial "b" indicates a voiced bilabial stop, followed by the vowel sound "ar" represented by the IPA symbol /ɑː/. The consonants "t" and "l" are pronounced separately, denoting a voiceless dental plosive and a lateral approximant respectively. The final "ing" implies a gerund or a present participle, voiced as /ɪŋ/. Overall, the spelling of "bartling" is a typical representation of English phonemes.