w () { s=($1); echo -n ${s[$RANDOM%5]}; }
s () { echo -n "$1 "; }
w "old still dim calm wide"; s; w "pond tree log cave fen"; echo;\
s "frog"; w "jumps swims looks drops flicks"; s; w "in out past up off"; echo;\
w "splish drip glint hum sob"; echo; echo;