permute

from WordNet (r) 3.0 (2006)

permute
    v 1: change the order or arrangement of; "Dyslexics often
         transpose letters in a word" [syn: {permute}, {commute},
         {transpose}]

from The Collaborative International Dictionary of English v.0.48

Permute \Per*mute"\ (p[~e]r*m[=u]t"), v. t. [L. permutare,
   permutatum; per + mutare to change: cf. F. permuter.]
   1. To interchange; to transfer reciprocally.
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   2. To exchange; to barter; to traffic. [Obs.]
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            Bought, trucked, permuted, or given.  --Hakluyt.
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