Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
代わる かわる nahradit (někoho)godan, jlpt3, leda1, verb, vintrans
~か月 ~かげつ month(s) (time interval)jlpt5, toki
ちち fatherjlpt5, kazoku, leda1
学説 がくせつ theorymix
子供の日 こどものひ Children's Day (national holiday; May 5th)namae, toki