I'd say

US
SpanishDictionary.com Phonetic Alphabet (SPA)
ayd
 
sey
International Phonetic Alphabet (IPA)
aɪd
 
seɪ
English Alphabet (ABC)
I'd
 
say
UK
SpanishDictionary.com Phonetic Alphabet (SPA)
ayd
 
sey
International Phonetic Alphabet (IPA)
aɪd
 
seɪ
English Alphabet (ABC)
I'd
 
say
Learn more about pronunciation and the English alphabet.
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