The phrase "letted breathe" is not a commonly used phrase in English, but it can be broken down phonetically using the International Phonetic Alphabet (IPA) as /ˈlɛtɪd ˈbriːð/. The first part, "letted," is the past tense of the verb "let," which means to allow or permit. The second part, "breathe," refers to the act of inhaling and exhaling. Together, "letted breathe" could mean allowing someone or something to take a breath or allowing a breath to escape.