import unicodedata

def sans_accent(mot):
    return ''.join(
        char for char in unicodedata.normalize('NFD', mot)
        if unicodedata.category(char) != 'Mn'
    )

mots_avec_accent = [ "économie", "élève", "chaîne" ];

mots_sans_accent = [ sans_accent(mot.strip('\n').replace("-","").replace('.','')) for mot in mots_avec_accent ]

print(mots_sans_accent)