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I have written here sample script which read file /etc/passwd word by word.

#!/bin/bash

COUNT=1

FCOUNT=`cat /etc/passwd|wc -l`

while [ $COUNT -le $FCOUNT ]
do
    FTCOUNT=`awk -F ":" '{print NF,$0}' /etc/passwd|awk '{print $1}'|head -$COUNT|tail -1`
    TCOUNT=1
    while [ $TCOUNT -le $FTCOUNT ]
    do
            if [ $TCOUNT -gt $FTCOUNT ]
            then
                    FTCOUNT=""
                    break
            else
                    OUTPUT=`head -$COUNT /etc/passwd|cut -d ":" -f $TCOUNT|tail -1`
                    echo -n "${OUTPUT} "
                    sleep 2
                    TCOUNT=$(( TCOUNT + 1 ))
            fi
    done
    echo ""
    COUNT=$(( COUNT + 1 ))
done