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. Author manuscript; available in PMC: 2008 Sep 26.
Published in final edited form as: Behav Res Methods Instrum Comput. 2004 Aug;36(3):481–487. doi: 10.3758/bf03195594
ar as in aardvark Ir as in fear
cr as in horse Ur as in tour
or as in hoarse Yr as in fire
@r as in hairy or Mary Wr as in hour
Er as in herring or merry