echo $(echo $(echo {a..z}$(echo $(echo $(date +%S) | sed 's/./& /g') | xargs -n 1 shuf | tr -d '\n')) | sed 's/ //g');

echo $(echo {a..z}$(echo $(date +%S | sed 's/./& /g') | xargs -n 1 shuf | tr -d '\n')) | sed 's/ //g';

echo {a..z}$(echo $(date +%S | sed 's/./& /g') | xargs -n 1 shuf | tr -d '\n') | sed 's/ //g';

Print the letters a to z followed by the current seconds in a shuffled order with no spaces.
echo $(echo $(echo {a..z}$(echo $(echo $(date +%S) | sed 's/./& /g') | xargs -n 1 shuf | tr -d '\n')) | sed 's/ //g');