The spelling of "EDSDAS" can be explained by using the International Phonetic Alphabet (IPA). The first letter "E" is pronounced as /eɪ/, which is the long vowel sound of "ay". The following letters "DS" are pronounced as /dɛs/, with the "D" pronounced as /d/ and the "S" as /s/. Finally, the last three letters "DAS" are pronounced as /dæs/, with the "A" pronounced as /æ/. In summary, "EDSDAS" is pronounced as /eɪdɛsdæs/.