You can, but generally you don’t, because it’s very untidy.
Seven-character rhymed poetry is a genre of traditional Chinese poetry, referred to as Qilu, and belongs to the category of modern poetry. It originated from the new-style poems of Shen Yue and others in the Qi Yongming Dynasty in the Southern Dynasty, which paid attention to rhythm and parallelism. It was further developed and finalized in the early Tang Dynasty by Shen Quanqi and Song Zhiwen, and matured in the hands of Du Fu in the prosperous Tang Dynasty. The seven-character rhyme poem has a strict rhythm, requiring a neat and uniform number of words in the poem. It is composed of eight sentences, each sentence has seven words, and every two sentences constitute a couplet. There are four couplets, including the first couplet, chin couplet, neck couplet and tail couplet, with the middle two couplets. Ask for a fight. Representative works include Cui Hao's "Yellow Crane Tower", Du Fu's "Ascend the High", Li Shangyin's "An Ding Tower", etc.