有効 ゆうこうPP ぴいぴいDU でぃうゆうじゃなかったです
yūkō piipii diuyūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 有効PPDU

1. Wasn't valid.; Wasn't effective.

Past/Perfective
Negative
Polite
Casual Register
Computing