Vocabulary consisting only from characters you are able to read
水力
suirjoku
hydraulic power, water powermix
二人
futari
two persons, two people, pair, couplejlpt5
いつの間にか
icunomanika
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
恋人
koibito
beloved personai
大の字に
dainodžini
sprawled, spread-eagled, in the shape of the "dai" kanjimix
分の
bunno
denominator bun no numerator (in writing common fractions), X Yth's (Y bun no X)jlpt3, math