Candidate absurdle starting words

vowels.bash

#!/bin/bash

results=()
words='/usr/share/dict/american-english-insane'

results+=($(grep -P '^(?=.*a.*)(?=.*e.*)(?=.*i.*)(?=.*o.*)[a-z]{5}$' "$words"))
results+=($(grep -P '^(?=.*a.*)(?=.*e.*)(?=.*i.*)(?=.*u.*)[a-z]{5}$' "$words"))
results+=($(grep -P '^(?=.*a.*)(?=.*e.*)(?=.*i.*)(?=.*y.*)[a-z]{5}$' "$words"))
results+=($(grep -P '^(?=.*a.*)(?=.*e.*)(?=.*o.*)(?=.*u.*)[a-z]{5}$' "$words"))
results+=($(grep -P '^(?=.*a.*)(?=.*e.*)(?=.*o.*)(?=.*y.*)[a-z]{5}$' "$words"))
results+=($(grep -P '^(?=.*a.*)(?=.*i.*)(?=.*o.*)(?=.*u.*)[a-z]{5}$' "$words"))
results+=($(grep -P '^(?=.*a.*)(?=.*i.*)(?=.*o.*)(?=.*y.*)[a-z]{5}$' "$words"))
results+=($(grep -P '^(?=.*a.*)(?=.*i.*)(?=.*u.*)(?=.*y.*)[a-z]{5}$' "$words"))
results+=($(grep -P '^(?=.*a.*)(?=.*o.*)(?=.*u.*)(?=.*y.*)[a-z]{5}$' "$words"))

echo ${results[@]}