CREATE TABLE table_25519358_1 (vertical_0_b VARCHAR, horizontal_0_a VARCHAR)

Name the vertical for ys
SELECT vertical_0_b FROM table_25519358_1 WHERE horizontal_0_a = "明勾（YS月南）"
SELECT "vertical_0_b" FROM "table_25519358_1" WHERE "horizontal_0_a" = "明勾（YS月南）"