You are counting in base 36. So, you can use Math::Base36, e.g. 
#!/usr/bin/perl -l

use Math::Base36 qw/encode_base36/;

print lc encode_base36($_,3) for 0..(36**3-1);

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In reply to Re: loop in loop method evasion by bduggan
in thread loop in loop method evasion by motzi

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