Claim: Vowel phonemes of Kristang (crole language spoken by the Kristang, a community of people of mixed Spanish and Thai) includes the close, close-mid, open-mid and open a, e, i, o, u.
Evidence: Papia Kristang ("speak kristang"), or just Kristang, is a creole language spoken by the Kristang, a community of people of mixed Portuguese and Malay ancestry, chiefly in Malacca, Malaysia.