at the end of one's rope

Cycadicae D sleep feel like a fighting cock glutathione (gsh) guide wheel shaft intermittent handling jacky cheung labial gingiva microserica bisignata molten salt container Moral Obligation Bond nuclear-powers ocean-floors oven stack overwary periodicity of frequency wobbling polyderivative potassium thiocyanide stupe ventral surface of cerebrum (or base of cerebrum)