Vocabulary consisting only from characters you are able to read
土木
doboku
public worksmix
手がかり
tegakari
(1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
三日
mikka
three days, the third day of the monthjlpt5, toki
山川
sansen; jamakawa; jamagawa
mountains and rivers; mountains and rivers; mountain riversmix
下らない
kudaranai
(uk) good-for-nothing, stupid, trivial, worthlessadj
水力
suirjoku
hydraulic power, water powermix