2
pptree (LEAF SouthKorea)

S

2
pptree (NODE (LEAF SouthKorea, LEAF Portugal))

 |
S-P

2
pptree (NODE (NODE (NODE (LEAF SouthKorea, LEAF Portugal), NODE (LEAF Italy, LEAF USA)), LEAF Brazil))

       |
   |-------B
 |---|    
S-P I-U    

2
pptree (NODE (NODE (NODE (LEAF SouthKorea, LEAF Portugal), NODE (LEAF CoteDlvoire, NODE (LEAF Italy, LEAF USA))), LEAF Brazil))

           |
    |-------------B
 |-----|    
S-P  C---|    
        I-U    

2
pptree (NODE (NODE (NODE (NODE (LEAF SouthKorea, LEAF France), NODE (LEAF USA, LEAF Brazil)), NODE (NODE (LEAF Japan, LEAF Nigeria), NODE (LEAF Cameroon, LEAF CoteDlvoire))), NODE (NODE (NODE (LEAF Portugal, LEAF Italy), NODE (LEAF Germany, LEAF Honduras)), NODE (NODE (LEAF England, LEAF NorthKorea), LEAF Argentina))))

               |
       |---------------|    
   |-------|       |-------|  
 |---|   |---|   |---|   |---A
S-F U-B J-N C-C P-I G-H E-N