I have no idea if this works...

[chuckro]

No letter represents zero, and no two letters represent the same number.
Assuming the letters are multiplied, what is the smallest product that ONE can equal?

MINE = YOURS
OURS = NINE
USER = EIE
MONEY = SOYOR

Comments

[chuckro.livejournal.com]

That appears to be valid, and in fact, is a better answer than I initially got. But then, I made a silly mistake.