"Wert limbo" is not a commonly used word, and its spelling can be a bit confusing. The initial sound of the word is represented by the IPA symbol /w/, which is pronounced with rounded lips and voiced vocal cords. The second sound is represented by the symbol /ɜː/, which is pronounced with the tongue in a mid-central position and a slightly open mouth. The 'r' in the spelling indicates that this sound is pronounced with a slight rhotic accent. The final sound is represented by the symbol /bəʊ/, which is pronounced with rounded lips and a low, open mouth.