delete words by pooq

load'plot'
r=.|.k=.>0{<;._2 d=.1!:1[3
w=.|:,;._2 d rplc a=.k;s;r;s=.#&' '#k
wd}.|:($w)$w rplc a

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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