The spelling of the word "Kellina" can be explained using the International Phonetic Alphabet (IPA). It is pronounced as /kɛliːnə/, which means the first syllable is pronounced like "kel", the second syllable is pronounced like "een" and the final syllable is pronounced like "uh". The letter "K" in the name indicates that the sound is similar to "k" sound. The two "L's" and "N" in the word help to pronounce the correct sounds. Overall, the IPA can help us accurately represent the sounds of any word.