s/-//g
:
s/\(\S\)\(.* \)*\(\S*\1\S*\)/\3\2/
t
s/\S\+/&	/g
h
:1
s/\S*	\|\(\S\)/\1/g
H
t1
g
s/\s*$/!ABCDEFGHIJKLMNOPQRSTUVWXYZ/
s/	.*/ /
s#!.*#\n./0123456789:;<=>?@&[\\]^_`\L&{|}~#
:2
s/.*\|\(.\)\(.\)\(.*\2.*\1\)/\2\1\3/
t2
P
d