The word "TULER" may seem confusing at first, but its spelling can be explained using the International Phonetic Alphabet (IPA). The IPA is a system of phonetic notation that uses symbols to represent different sounds in language. In the case of "TULER," it can be transcribed as /ˈtu.lər/. The first sound is a voiced alveolar stop represented by the symbol /t/, followed by a schwa sound /ə/, and ending with an r-controlled vowel /lər/. Knowing the IPA can help us understand the phonetic structure of words and improve our spelling accuracy.