From: brabuhr@...
Date: 2009-10-21T06:28:15+09:00
Subject: Re: Randomly generated words from a set of letters

On Tue, Oct 20, 2009 at 10:50 AM,  <MR-Mencel@wiu.edu> wrote:
> Hi,
>
> I have an interesting problem to solve and thought I'd ask for some input here.  We're developing an application and one part of it is building a random combination for this lock...
>
> http://wordlock.com/_pdf/Wordlock-Bikelock-Instructions.pdf
>
> So there are four columns, each contains a specific set of letters.

I won't speak to what might make a good design for you :), but:

irb(main):001:0>
File.open('/usr/share/dict/words').read.scan(/^[bdfhlmprst][aeiloruy][iklnrsaenrot][ledkstpdny]$/i)
=> ["Baal", "Ball", "Bart", "Bass", "Bean", "Bell", "Bern", "Bert",
"Bess", "Best", "Bill", "Bird", "Boas", "Bond", "Bonn", "Bork",
"Born", "Bose", "Brad", "Bran", "Bray", "Bret", "Brie", "Brit",
"Burl", "Burt", "Byrd", "Dale", "Dane", "Dare", "Dean", "Deon",
"Dial", "Dion", "Dirk", "Dole", "Donn", "Duke", "Dunn", "Duse",
"Fern", "Fiat", "Finn", "Fisk", "Ford", "Fran", "Fred", "Frey",
"Haas", "Hale", "Hall", "Hals", "Hank", "Hans", "Hart", "Head",
"Heep", "Hell", "Hess", "Hill", "Hiss", "Holt", "Hood", "Horn",
"Huey", "Hull", "Huns", "Hunt", "Land", "Lane", "Laos", "Lars",
"Lean", "Lent", "Leon", "Leos", "Lily", "Lind", "Lois", "Lord",
"Lott", "Luis", "Luke", "Lyle", "Lyly", "Lynn", "Lyon", "Male",
"Mann", "Mark", "Mars", "Mary", "Mass", "Matt", "Mead", "Mike",
"Mill", "Minn", "Miss", "Moll", "Monk", "Mons", "Mont", "Moon",
"More", "Mort", "Moss", "Mott", "Muse", "Myst", "Park", "Pate",
"Peel", "Pele", "Penn", "Perl", "Pete", "Pike", "Pitt", "Pole",
"Polk", "Post", "Pres", "Pyle", "Rand", "Reed", "Reid", "Rene",
"Riel", "Rios", "Root", "Rory", "Rose", "Ross", "Russ", "Ryan",
"Saks", "Salk", "Sand", "Sean", "Sian", "Sony", "Tass", "Tate",
"Tell", "Tess", "Tony", "Tory", "Tran", "Trey", "Troy", "Tues",
"Tull", "Turk", "Tyre", "baas", "bail", "bait", "bake", "bald",
"bale", "balk", "ball", "band", "bane", "bank", "bans", "bard",
"bare", . . .