How Do You Spell ASTO?
Pronunciation: [ɐstˈə͡ʊ] (IPA) 
The spelling of the word "ASTO" may seem unusual, but it actually follows the rules of English phonetics. The first syllable, "as", is pronounced with the short vowel sound /æ/. The second syllable, "to", is pronounced with the long vowel sound /oʊ/. Together, the two syllables create the word "ASTO" /æstoʊ/. While it may not be a common word in English, the spelling accurately reflects its pronunciation based on the rules of phonetics.
