Vocabulary consisting only from characters you are able to read
私
watakuši
I (formal), myself, private affairsjlpt5
三日
mikka
three days, the third day of the monthjlpt5, toki
二人
futari
two persons, two people, pair, couplejlpt5
水力
suirjoku
hydraulic power, water powermix
十日
tooka
ten days, the tenth day of the monthjlpt5, toki
二十日
hacuka
twenty days, twentieth day of the monthjlpt5, toki