The spelling of the word "waguih" can be explained using the International Phonetic Alphabet (IPA). The first syllable is pronounced as "wɑː", with the "a" making an "ah" sound similar to the "a" in "father". The second syllable is pronounced as "giː", with the "i" making an "ee" sound. The final letter is pronounced as "h", which is silent. Therefore, the correct phonetic transcription of "waguih" is "wɑːgiː."