Q: What is the most number of letters that can be fit into a three by three grid of words, such that no letter is repeated in any row, column or diagonal?

A
Games magazine ran a contest on this. The winner had 62

proxying| buckwash | veldt


stumbled| j | zincography


whack | providently | bumfs

Here are some good tries

backsword |thumpingly | fez


vexingly | q | throwbacks = 61


thump | beadworks | jingly

backsword | thumpingly| vex


vexingly | q | throwbacks = 60


thump | bedrocks | flying

subjack |downrightly| fez


novelwright| q | backups = 59


pyx | subface | downright

krafts | exhuming | blowzy ----------+-----------+----------- phylum | j | transfixed = 56 ----------+-----------+----------- vexing | folkways | chump

klutz | cymograph | fend ----------+-----------+----------- exscind | j | kymograph = 54 ----------+-----------+----------- myograph |flunked | vibs

**** Unless noted otherwise, all words occur in Webster's Third New International Dictionary, Merriam-Webster, Springfield, MA, 1961.

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