#NEXUS

BEGIN TAXA;
      dimensions ntax=8;
      taxlabels A B C D E F G H;  
END;

BEGIN CHARACTERS;
      dimensions nchar=5;
      format datatype=protein missing=? gap=-;
      charlabels one two three four five;
      matrix
A     --QNE
B     --QNE
C     TWO--
D     THREE
E     FORE-
F     FIVE-
G     SIX--
H     SEVEN;
END;

BEGIN TREES;
       tree basic_ladder = (((((((A:1,B:1):1,C:2):1,D:3):1,E:4):1,F:5):1,G:6):1,H:7);
END;