[Ziggurats]

Instructions

Build the ziggurats by starting with the four-letter word at the top, adding the given letters and jumbling to get new words as you step down to the bottom.
Example:

Norse code? [ ] [ ] [ ] [ ]
Unconscious (+[D]) [ ] [ ] [ ] [ ] [ ]
Cash back (+[F]) [ ] [ ] [ ] [ ] [ ] [ ]
Company starter (+[O]) [ ] [ ] [ ] [ ] [ ] [ ] [ ]

Answer: RUNE, UNDER, REFUND, FOUNDER

Strong wind [ ] [ ] [ ] [ ]
Breakfast item (+[B]) [ ] [ ] [ ] [ ] [ ]
Incoherent jumble (+[R]) [ ] [ ] [ ] [ ] [ ] [ ]
Math subject (+[A]) [ ] [ ] [ ] [ ] [ ] [ ] [ ]

Bluish green [ ] [ ] [ ] [ ]
Iron, e.g. (+[M]) [ ] [ ] [ ] [ ] [ ]
Little town (+[H]) [ ] [ ] [ ] [ ] [ ] [ ]
Pocket of hot air (+[R]) [ ] [ ] [ ] [ ] [ ] [ ] [ ]

Four seasons [ ] [ ] [ ] [ ]
Ready to cry (+[Y]) [ ] [ ] [ ] [ ] [ ]
Practical (+[H]) [ ] [ ] [ ] [ ] [ ] [ ]
Shrink rap? (+[P]) [ ] [ ] [ ] [ ] [ ] [ ] [ ]