Hieroglyph,|| see IFF.

YPSE.

Apocalypse,|| see IPSE.

YRE.

Lyre, pyre, byre,* see IRE.

YRRH.

Myrrh, her, err, sir, cur, etc.

YSM.

Abysm, cataclysm, schism, etc.

YST.