#!/usr/bin/perl

# https://perlmonks.org/?node_id=11101345

use strict;
use warnings;

print sort { $a =~ s/[\s\d]*//r cmp $b =~ s///r } <DATA>;

__DATA__
1  2  3  delta
1  2  3  apricot
1  2  3  charlie
1  2  3  bravo
1  2  3  echo
1  2  3  fox