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Four Letter Sequences (Posted on 2005-01-12) Difficulty: 3 of 5
A sequence of letters is considered "valid" if it occurs as a substring of a common English word. For example, "RGRO" is valid because it occurs in the word "undeRGROund."

Find a sequence of four distinct letters such that all 23 non-identity permutations of the sequence are valid.

See The Solution Submitted by David Shin    
Rating: 3.6667 (3 votes)

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Familiar words | Comment 2 of 9 |

How about IRTA

IRTA flirtation

IRAT irate

ITAR guitar

ITRA arbitrate

IATR psychiatric

IART biarticulate

TAIR stair

TARI tariff

TRAI train

TRIA trial

TIAR tertiary

TIRA tirade

RAIT trait

RATI ration

RTAI curtain

RTIA partial

RIAT geriatric

RITA puritan

ATRI patriot

ATIR satire

ARTI artisan

ARIT arithmetic

AIRT airtight

AITR waitress


  Posted by Philip on 2005-01-12 23:21:18
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