cat /usr/share/dict/brazilian | sort | uniq | sed -E 's/^/_/;s/$/_/' | grep -E --only-matching '[a-z_][àáâãéêíóôõúüç]|[àáâãéêíóôõúüç][a-z_]' | sort | uniq -c | sort -h | wc -l
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cat /usr/share/dict/brazilian | sort | uniq | sed -E 's/^/_/;s/$/_/' | grep -E --only-matching '[a-z_][àáâãéêíóôõúüç][a-z_]' | sort | uniq -c | sort -h | wc -l