Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
お子さん おこさん child (polite)jlpt4
とし yearjlpt3, jlpt4, toki
水道 すいどう water works, water supplyjlpt4, leda1
Potom jsem sám vypil litr sake.baka
十億 じゅうおく 1,000,000,000, billion (American), (obs) milliard (British)mix