The spelling of the word "GEGAAS" can be explained using the International Phonetic Alphabet (IPA). The first sound is "g" which is pronounced as /ɡ/. The second sound is "e" which sounds like /ɛ/. The third letter "g" is pronounced as /ɡ/ again. The fourth sound is "aa" which is typically pronounced as /ɑ/. The final letter "s" is pronounced as /s/. Therefore, the correct pronunciation of "GEGAAS" is /ɡɛɡɑs/.