The word "AICH" is spelled with the letters A-I-C-H. In phonetic transcription, it is written as /eɪtʃ/. The word refers to the eighth letter of the English alphabet, which is represented by the letter "H". Though the spelling may appear unusual, it is a common spelling in certain regions and dialects. It is important to understand phonetics and phonetic transcription in order to understand how different words are pronounced and spelled in English.