Vocabulary consisting only from characters you are able to read
土日
どにち
weekend, Saturday and Sundaymix
水力
すいりょく
hydraulic power, water powermix
上手い
うまい
(1)skillful, clever, expert, wise, successful, (2)delicious, appetizing, appetising, (3)fortunate, splendid, promising adj
大の字に
だいのじに
sprawled, spread-eagled, in the shape of the "dai" kanjimix
下る
くだる
(1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
足りない
たりない
(1)insufficient/not enough/lacking/ (2)dim-witted/slow/one brick short of a full load adj
上
うえ
above, on top of, up, upper part, surfacejlpt5