Optimization (for any attribute) is left as an exercise for the reader. #!/bin/bash while true ; do W1=`shuf -n 1 /usr/share/dict/words` W2=`shuf -

Optimization (for any attribute) is left as an exercise for the reader. #!/bin/bash while true ; do W1=`shuf -n 1 /usr/share/dict/words` W2=`shuf -n 1 /usr/share/dict/words` W3=`shuf -n 1 /usr/share/dict/words` W4=`shuf -n 1 /usr/share/dict/words` W5=`shuf -n 1 /usr/share/dict/words` SHA=`echo "$W1 $W2 $W3 $W4 $W5" | sha256sum | egrep 8888` if [ "$SHA" != "" ] ; then echo "$SHA $W1 $W2 $W3 $W4 $W5" fi done Sample output: 00b6b668465deadabf11d7296e7de33780643e23c967e255888884f34ecc41de - frigorifical psittaceous goodeniaceous oostegite handsomeish b3096654fa38ca318888b2c4eea4a9d93b9e49b02c54f390d2f06ca74d9e8edb - refuser skepful assumptive hypostatic toothleted ef3a7d3b25a8cffe730b888800884ddde96ea7e58608c8bd714b5db7a5caf3fb - coenobioid graticulation astrognosy remica swarthily c8888957c0105b6ea64b24853ec6c1a34828c0552c2776b6a4bd35d6129c3b87 - barbarously withinside underwing autocratic punkah 5ca89be465ab472eea785ab950ea28ce03457a09d1fecd2bc75b88888c269e5d - Malay persuade truantlike binodose suppose 20bdbfcdb6345888814555c2d0abeaa2f2b7c81506a661c99f7c2675688d4917 - dorsimedian seasonably cuckoo eyewinker hyperthyroidization 337675d56afb73835c58888f509de783a9385e3f249784d50b9a3e50c6a68a77 - squamous calp choosingly velum forborne e08888a15d449e8c2dab2283d53adfa5b1bfc7fe99ccd0fd7bbe45a4ce9b0bdb - equipartition creatininemia treaclewort Menobranchus undisturbedness