#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 ladder = (((((((A:1,B:1):1,C:2):1,D:3):1,E:4):1,F:5):1,G:6):1,H:7);
END;