Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
じゅう (num) 10, tenjlpt5
人口 じんこう populationjlpt4, leda1
二人 ふたり two persons, two people, pair, couplejlpt5
ひと man, person, human being, mankindhito, jlpt5
ちから strength, powerjlpt4, leda1
(num) twojlpt5
水力 すいりょく hydraulic power, water powermix
(num) fivejlpt5
やま mountain, pile, heap, climax, critical pointjlpt5, shizen
三つ みっつ threejlpt5