The spelling of the word "EGCJ" can be explained using the International Phonetic Alphabet (IPA) as /iːdʒiːsiːdʒeɪ/. This word is made up of four letters, each representing a different sound. The first sound is "ee" represented by the letter "E", followed by the sound "j" or "hard G" represented by "G". The third letter "C" represents the sound "s", and the final two letters "J" and "E" represent the sounds "j" and "ay" respectively.