Vocabulary consisting only from characters you are able to read
いつの間にか
icunomanika
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
水力
suirjoku
hydraulic power, water powermix
絵文字
emodži
ideograph/pictographmix
二人
futari
two persons, two people, pair, couplejlpt5
人
hito
man, person, human being, mankindhito, jlpt5