1. "Caught in the undertow, just caught in the undertow" (repetition of the "o" sound)
2. "Broken pieces of this man and what is left of" (repetition of the "e" sound)
3. "And your face is like a melody in my head that I can't keep out, oh oh oh, out" (repetition of the "o" sound)
4. "So let me blow you a kiss or two if this will help me make my decision ohhh yea yea" (repetition of the "e" sound)
5. "To kill myself over you 'cause baby this love hurts" (repetition of the "u" sound)
These are just a few examples of assonance in Bruno Mars' "Grenade."