Vocabulary consisting only from characters you are able to read
管
kuda
pipe, tube; pipe, tubemix
働き
hataraki
(1)work, labor, labour, (2)achievement, performance, ability, talent, (3)salary, income, earnings, (4)action, activity, workings, function, operation, movement, motion, (5)(ling) conjugation, inf jlpt3
億
oku
(num) 100,000,000, hundred millionjlpt4