perl -nle"y/a-zA-Z/ /cs; ++$h{$_} for split }{ print qq[$_:$h{$_}] for sort keys %h" theFile
break:1
brief:1
bring:3
brought:2
buffalo:16
burden:1
but:20
by:16
call:2
called:6
came:2
campaign:1
can:36
cannot:2
capable:1
capitals:1
career:2
cart:1
case:2
...