Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
小さな chiisana smalladj, jlpt4
数学モデル suugakumoderu mathematical modelmath
見頃 migoro best time to seemix
欲求不満 yokkyuufuman frustrationemo
段階 dankai stairs; (n) stairs; grade, level, stage, class, phase, steps, order, gradationmix