import sys

from PySide6.QtWidgets import QApplication, QGridLayout, QPushButton, QStyle, QWidget


class Window(QWidget):
    def __init__(self):
        super().__init__()

        icons = sorted(
            [attr for attr in dir(QStyle.StandardPixmap) if attr.startswith("SP_")]
        )
        layout = QGridLayout()

        for n, name in enumerate(icons):
            btn = QPushButton(name)

            pixmapi = getattr(QStyle, name)
            icon = self.style().standardIcon(pixmapi)
            btn.setIcon(icon)
            layout.addWidget(btn, n // 4, n % 4)

        self.setLayout(layout)


app = QApplication(sys.argv)

w = Window()
w.show()

app.exec()