Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
下がる さがる to hang down/to abate/to retire/to fall/to step back/(P)godan, jlpt3, jlpt4, verb, vintrans
人口 じんこう populationjlpt4, leda1
夕べ ゆうべ večerleda1, toki
八つ やっつ eightjlpt5
通す とおす to let pass, to overlook, to continue, to keep, to make way for, to persist ingodan, jlpt3, verb, vtrans
どんな人 どんな ひと jaký člověkmix
いち onejlpt5
水力 すいりょく hydraulic power, water powermix
しち (num) sevenjlpt5
そよ風 そよかぜ breezeleda1, tenki
火力 かりょく heating power, steam powermix
火口 ひぐち hořákleda1
一口 ひとくち (1)mouthful, bite, sip, draft, draught, (2)one word mix
みず waterjlpt5, kagaku, ryouri, shizen
お八つ おやつ snackryouri