The spelling of the word "Baslo" can be explained using the International Phonetic Alphabet (IPA). The first syllable, "Ba", is pronounced as /bɑː/, with emphasis on the "a". The second syllable, "slo", is pronounced as /sləʊ/. The "s" is pronounced as /s/, with emphasis on the "o" which is pronounced as /əʊ/, a combination of the sounds /ɔː/ and /ʊ/. Therefore, the correct pronunciation of "Baslo" is /bɑːsləʊ/.