randname.sh

#!/bin/sh

# Prints whispery word with alternating vowels and [5, 8] length.

consonants="ptkfs"
vowels="aeo"

parts=$((5+RANDOM%4))
parity=$((RANDOM%2))

name=""

for ((i=0; i<parts; ++i))
do
	if (( $parity ))
	then
		letter="${consonants:$((RANDOM%5)):1}"
	else
		letter="${vowels:$((RANDOM%3)):1}"
	fi
	name+="$letter"
	parity=$((1-parity))
done

echo "$name"