What is the ruling on praying the Sunnah of Wudu during times of dislike (Karahah), and are there specific surahs for its recitation?

It is permissible to perform the Sunnah prayer of ablution during times when prayer is ordinarily prohibited, just like other prayers with specific causes, such as making up missed prayers, fulfilling vows, and greeting the mosque. It is also permissible to perform it after the Witr prayer without any dislike (karahah). The Sunnah prayer of ablution is not restricted to a specific Surah; rather, the worshipper may recite whatever they wish in it.