exchange control
do, change, make, benefit, welfare, be of use, reach to, try, practice, cost, serve as, good, advantage, as a result of
イ / ため
exchange, spare, substitute, per-
タイ / か.える
pipe, tube, wind instrument, drunken talk, control, jurisdiction
カン / くだ
logic, arrangement, reason, justice, truth
リ / ことわり