The spelling of the word "DEWEINA" can be explained using the International Phonetic Alphabet (IPA). The word is pronounced as [diːweɪnə], with the stress on the second syllable. The letters "d," "e," and "w" are pronounced as they appear in the English language. The letter "i" is pronounced as [i], and the letter "a" is pronounced as [ə], a neutral vowel sound. The spelling of the word "DEWEINA" follows the rules of English phonetics and pronunciation.