Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
yama mountain, pile, heap, climax, critical pointjlpt5, shizen
田んぼ tanbo paddy field, farmmix
kuchi mouth, orifice, openinghito, jlpt5
人口 jinkou populationjlpt4, leda1
十七 juunana 17math