According to a search of the word bank, pink pink is an abab-style word. The same abab-style words: turquoise turquoise, bright red bright red, said said said, cleaned cleaned, slipped, dressed up, sober sober sober sober, snow white snow white, rattled rattled rattled rattled rattled rattled rattled rattled rattled rattled rattled rattled rattled rattled, and discussed discussed discussed.
Words are words and phrases together, including words, phrases and the whole vocabulary. From the lexical point of view, words are divided into real words (words with real meaning) and imaginary words (words without real meaning).