The spelling of the word "letted this time" comes from the base verb "let," which means to allow or permit. The past tense of "let" is "let," but in some dialects and archaic forms of English, the past tense is written as "letted." The IPA phonetic transcription for "letted" is /ˈlɛtɪd/, with the stress on the first syllable. While not commonly used in modern English, "letted" can be found in some historical or literary contexts.