tr -cs 'a-zA-Z' '[\n*]' < $1 |
gawk '		{
		count[$1]++
}
END		{
		for (item in count)
			{
			if (count[item] > 4)
				{
				printf "%-15s%3s\n", item, count[item]
				}
		}
} ' |
sort +1nr +0f -1