I still like my first output best: Who'd heed 'hood HUD head had hoed, hawed, & hid his hod?
Re: Cyd sighed & sawed, sued sad sod, & sowed said seed.
I used "Cyd" rather than "Sid" because "Sid" looks like it could be an acronym. SIDS, SIRDS
[nq:2](Btw, (a) and (a

are never contrastive, right? I smell a linguistic anecdote.)[/nq]
[nq:1]Length isn't phonemic in English generally. If therewere two words distinguished only by vowel length, it would turn out to be a side-effect of something else, such as r-deletion or "voicing" of the following[/nq]
obstruent.
I tend to believe that (for most people) the length is a bigger cue (than the vowels) in distiguishing
between the following minimal pairs.
Maugham mom taught tot, caught cot, pawed pod,
sought awed sot,
sawed odd sod,
hawed, bought hod, bot & ***-calk (not naught),
(This is more like a traditional tongue twister.
Are there traditional tongue twisters that focus on vowels?)
By James Joyce:
Sinbad the Sailor and Tinbad the Tailor and Jinbad the Jailer and Whinbad the Whaler and Ninbad the Nailer and Finbad the Failer and Binbad the Bailer and Pinbad the Pailer and Minbad the Mailer and Hinbad the Hailer and Rinbad the Railer and Dinbad the Kailer and Vinbad the Quailer and Linbad the Yailer and Xinbad the
Phthailer.
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