grep-medium-words

#!/bin/sh
set -euf -o pipefail

##
# Grep for typical words, length 4-7 characters, all lowercase, a-z.
#
# We exclude accented characters.
#
# Contact: Joel Parker Henderson (joel@joelparkerhenderson.com)
# License: GPL
# Updated: 2015-01-25
##

grep '^[abcdefghijklmnopqrstuvwxyz]\{4,7\}$' | grep -v "\(ae\|oe\|ueo\)"