Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
二人 futari two persons, two people, pair, couplejlpt5
too 10, tenjlpt5
人口 jinkou populationjlpt4, leda1
九九 kuku násobilkaleda1, math
火力 karyoku heating power, steam powermix
風通し kazetooshi ventilationuchi
通じる tsuujiru to run to, to lead to, to communicate, to understand, to be well-informedichidan, jlpt3, verb, vintrans
shichi (num) sevenjlpt5
通す toosu to let pass, to overlook, to continue, to keep, to make way for, to persist ingodan, jlpt3, verb, vtrans
七つ nanatsu sevenjlpt5