I just submitted some kana for a level up test. This is the first time that I get to choose what to write, how to write it, and how to arrange it on a page. It was like trying to play improvisational jazz after two piano lessons. I was paralyzed. I finally struggled through and got a sense of composition. The result is below. Notice that all the lines start at different heights, and end at different points. I used some kanji, too, where the lines get complex.
kirisame no、komakani kakaru、neko yanagi 、tsuku zuku mireba、haru taki ni keri
gazing at the willow, covered in fine mist, spring has come