#NEXUS
BEGIN TAXA;
dimensions ntax=8;
taxlabels A B C D E F G H;
END;
BEGIN CHARACTERS;
dimensions nchar=6;
format interleave datatype=protein missing=? gap=-;
charlabels one two three four five six;
matrix
A W I T
B W I T
C W I T
D W I T
E W I T
F W I T
G W I T
H W I T
A H - B
B H - A
C H - D
D H - C
E H - F
F H - E
G H - H
H H - G;
END;
BEGIN TREES;
tree basic_bush = (((A:1,B:1):1,(C:1,D:1):1):1,((E:1,F:1):1,(G:1,H:1):1):1);
END;