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\|\S*(\S\+)//g
s/()$/\nABCDEFGHIJKLMNOPQRSTUVWXYZ/
s/(.*)/ /
s#\w*$#./0123456789:;<=>?@&[\\]^_`\L&{|}~#
:2
s/\(.\)\(.\)\(.*\2.*\1\)/\2\1\3/
t2
P
d