é is used as /e/ in ipa and it carries a tonic accent. it is only used in the last letter of a word (except when a different wikt:pronunciation may change the meaning of a word). for example, "perché" (meaning "why" or "because" in english) and "pésca" (which means "fishing" in english). the letter è is also in the italian alphabet, which is the letter e with a grave accent. instead of /e/, the letter è is used as /ɛ/ in ipa.