Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
天文学 てんもんがく astronomymix
上る のぼる (1)to rise, to go up, to come up, to ascend, to be raised, (2)to enter (esp. from outdoors), to come in, to go in, (3)to enter (a school), to advance to the next grade, (4)to get out (of water), t godan, jlpt3, verb, vintrans
花びら はなびら petalshokubutsu
The weather is nice. tenki
休まる やすまる odpočinout sileda1, verb, vintrans