The spelling of the word "bassler" can be explained using the International Phonetic Alphabet (IPA). The first syllable "bass" is spelled with the IPA symbol /bæs/ which represents the voiced bilabial stop consonant "b" followed by the short vowel "æ". The second syllable "ler" is spelled with the IPA symbol /lɚ/ which represents the unvoiced alveolar lateral approximant "l" followed by the reduced vowel "ɚ". Therefore, the word "bassler" is pronounced as /ˈbæslɚ/.