1. The same four letters, in the same order, will complete the partial words below.

_ _ _ _ E

_ _ _ _ LE

_ _ _ _ ON 

2. The three words below can be changed into new ones by preceding them with the same two letters, in the same order. 

_ _ BIT

_ _ LO

_ _ STY 

Answers:

 

1. The letters are COUP:

     COUPE

     COUPLE

     COUPON

 

2. The letters are HA:

     HABIT

     HALO

     HASTY