The spelling of the word "belbo" can be explained through its phonetic transcription using the International Phonetic Alphabet (IPA). It is pronounced as /ˈbɛl.boʊ/, where the first syllable is stressed and the second syllable has a diphthong sound (represented by the symbol /oʊ/). The letters "b" and "l" represent the consonant sounds in the word, while the "e" and "o" provide the vowel sounds. The spelling of "belbo" conforms to English language conventions, and the phonetic transcription helps to clarify its pronunciation.