Oracle-按级别连接

Question

我有这个查询：

WITH t AS (SELECT '1:300:238:Regular:1:month' AS txt FROM dual)
SELECT LEVEL, REGEXP_SUBSTR (txt, '[^:]+', 1, LEVEL) AS word
FROM t
CONNECT BY LEVEL <= LENGTH(regexp_replace(txt,'[^:]+'))+1
ORDER BY 1;

它返回6行，每个元素在不同的行上。如何将其旋转为1行，6列，以便实际上可以在代码中将其选择为变量？

非常感谢！