The word "tted" is spelled with two consecutive "t"s, followed by "ed", making it a four-letter word. The pronunciation of this word is represented using the International Phonetic Alphabet (IPA) as /tɛd/ which sounds like "t-ed". This word follows the regular past tense formation in English, as the suffix "-ed" has been added to the base form of the verb to indicate past tense. The double "t" in this word indicates that the preceding vowel sound is a short sound, as opposed to the long "t" sound in words like "treat".