Sister rhymes with the next sentence in the box.

Sisters in the same box, crazy together.

Sisters eat and play in the same box, so cute they swell together. Sisters in pairs, double happiness, share weal and woe. Sisters with meat are long and crazy.

When poems, songs, fu and other rhymes are written with rhyming words at the end of sentences or after couplets, they are called rhymes. Poetry rhymes, making the work sound harmonious, easy to recite and remember, with beautiful rhythm and tone.