Hello from all your voices…

hello.sh

~ % for i in $(say -v\? | cut -f1 -d\ ); do echo -n "$i "; say -v $i hello; done

~ % say -v\? | awk '{print $1}' | while read -r l; do echo -n "$l "; say -v $l hello; done

~ % say -v\? | while read -r l; do l=(${=l}); echo -n "$l[1] "; [1]; say -v $l[1] $l[4,-1]; done # littl bit broken