#!/bin/bash

WORDCOUNT="$#"
SENTENCE="$*"
NUMBER="0"

for x in $SENTENCE ; do
    NUMBER=$(($RANDOM % $WORDCOUNT + 1))

    while [ ! -z ${ARRAY[$NUMBER]} ]; do
        NUMBER=$(($RANDOM % $WORDCOUNT + 1))
    done

    ARRAY[$NUMBER]=$x
done

echo ${ARRAY[*]}